Friday, December 31, 2010

Climate change leaves Assam tea growers in hot water

Climate change is affecting the cultivation of Assam tea, with rising temperatures reducing yields and altering the distinctive flavor of India's most popular drink, researchers say.

High hills and abundant rainfall make the north-eastern state of Assam an ideal place to grow tea, with 850 gardens over 320,000 hectares (593,000 acres) producing the majority of the country's harvest. But in the last 60 years, rainfall has fallen by more than a fifth and minimum temperature has risen by a degree to 19.5C.

"This is clearly climate change, and it is bound to have major impact on the tea industry," said Debakanta Handique, a climate scientist in Assam.

The Tea Board of India said it had recorded a steady decline in tea production in recent years. In 2007, Assam produced 512,000 tons of tea. By 2008 this had declined to 487,000 tons, with estimated production in 2009 down again to 445,000. A further decrease is expected this year.

Mridul Hazarika, director of Tocklai Tea Research, the oldest tea research station in the world, said rainfall and minimum temperature were two of the most important factors affecting both quality and quantity of harvests.

"The decline has been taking place although there has been an increase in the area of tea cultivation as new gardens have come up, and many gardens have added new areas for tea plantation. This is an indication of the seriousness of the threat," said Hazarika. Efficient rainwater harvesting and new breeds of tea plants were needed to reverse the trend.
"Changes have already been observed in the flavor, but it is not possible to blame only climate change for this," he said. "Other factors like the fertilizers used and cultivation methods might also be partly responsible."
The changing taste of Assam tea is a serious concern for growers. Sudipta Nayan Goswami, an Assam-based planter, said subtle changes had already been observed: "The flavor has changed from what it was before. The creamy and strong flavor is no more."

"There is a huge demand for Assam tea abroad, and this is due to its strong, bright flavor. The changes will sharply hamper the demand for this variety of tea abroad."

Source:
The Guardian,
"Climate change leaves Assam tea growers in hot water", accessed December 28, 2010

Short encouraging devotional or articles or writing by CH Spurgeon for encouragements

Believer Encouragements

Taken from CH Spurgeon's Morning and Evening, January 1, Morning

“They did eat of the fruit of the land of Canaan that year.” - Joshua 5:12

Israel’s weary wanderings were all over, and the promised rest was attained. No more moving tents, fiery serpents, fierce Amalekites, and howling wildernesses: they came to the land which flowed with milk and honey, and they ate the old corn of the land. Perhaps this year, beloved Christian reader, this may be thy case or mine. Joyful is the prospect, and if faith be in active exercise, it will yield unalloyed delight. To be with Jesus in the rest which remaineth for the people of God, is a cheering hope indeed, and to expect this glory so soon is a double bliss. Unbelief shudders at the Jordan which still rolls between us and the goodly land, but let us rest assured that we have already experienced more ills than death at its worst can cause us. Let us banish every fearful thought, and rejoice with exceeding great joy, in the prospect that this year we shall begin to be “for ever with the Lord.”
A part of the host will this year tarry on earth, to do service for their Lord. If this should fall to our lot, there is no reason why the New Year’s text should not still be true. “We who have believed do enter into rest.” The Holy Spirit is the earnest of our inheritance; he gives us “glory begun below.” In heaven they are secure, and so are we preserve in Christ Jesus; there they triumph over their enemies, and we have victories too. Celestial spirits enjoy communion with their Lord, and this is not denied to us; they rest in his love, and we have perfect peace in him: they hymn his praise, and it is our privilege to bless him too. We will this year gather celestial fruits on earthly ground, where faith and hope have made the desert like the garden of the Lord. Man did eat angels’ food of old, and why not now? O for grace to feed on Jesus, and so to eat of the fruit of the land of Canaan this year!

Taken from Charles H Spurgeon's Morning and Evening, January 1, Morning


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Taken from CH Spurgeon's Morning and Evening, December 31, Evening

“The harvest is past, the summer is ended, and we are not saved.” - Jeremiah 8:20

Not saved! Dear reader, is this your mournful plight? Warned of the judgment to come, bidden to escape for your life, and yet at this moment not saved! You know the way of salvation, you read it in the Bible, you hear it from the pulpit, it is explained to you by friends, and yet you neglect it, and therefore you are not saved. You will be without excuse when the Lord shall judge the quick and dead. The Holy Spirit has given more or less of blessing upon the word which has been preached in your hearing, and times of refreshing have come from the divine presence, and yet you are without Christ. All these hopeful seasons have come and gone-your summer and your harvest have past-and yet you are not saved. Years have followed one another into eternity, and your last year will soon be here: youth has gone, manhood is going, and yet you are not saved. Let me ask you-will you ever be saved? Is there any likelihood of it? Already the most propitious seasons have left you unsaved; will other occasions alter your condition? Means have failed with you-the best of means, used perseveringly and with the utmost affection-what more can be done for you? Affliction and prosperity have alike failed to impress you; tears and prayers and sermons have been wasted on your barren heart. Are not the probabilities dead against your ever being saved? Is it not more than likely that you will abide as you are till death for ever bars the door of hope? Do you recoil from the supposition? Yet it is a most reasonable one: he who is not washed in so many waters will in all probability go filthy to his end. The convenient time never has come, why should it ever come? It is logical to fear that it never will arrive, and that Felix like, you will find no convenient season till you are in hell. O bethink you of what that hell is, and of the dread probability that you will soon be cast into it!

Reader, suppose you should die unsaved, your doom no words can picture. Write out your dread estate in tears and blood, talk of it with groans and gnashing of teeth: you will be punished with everlasting destruction from the glory of the Lord, and from the glory of his power. A brother’s voice would fain startle you into earnestness. O be wise, be wise in time, and ere another year begins, believe in Jesus, who is able to save to the uttermost. Consecrate these last hours to lonely thought, and if deep repentance be bred in you, it will be well; and if it lead to a humble faith in Jesus, it will be best of all. O see to it that this year pass not away, and you an unforgiven spirit. Let not the new year’s midnight peals sound upon a joyless spirit! Now, NOW, NOW believe, and live.

“ESCAPE FOR THY LIFE;
LOOK NOT BEHIND THEE,
NEITHER STAY THOU IN ALL THE PLAIN;
ESCAPE TO THE MOUNTAIN,
LEST THOU BE CONSUMED.”

Taken from Charles H Spurgeon's Morning and Evening, December 31, Evening

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Thursday, December 30, 2010

Invasive species lie in wait, strike after decades

Animals and plants introduced from foreign habitats may not reveal themselves to be harmful 'invasive' species for decades, according to a European study published on Monday. (Left: Canadian geese)

Species that are moved away from their natural predators back home can displace native species in their new habitats, and scientists say the problem already costs Europe 12 billion euros ($16 billion) a year.

The study, which is likely to hold true for other continents too, means that the seeds of future, perhaps bigger, problems have literally already been sown.

The study compared the effects of "alien species" such as American ragweed,(right) Canada geese (see above left) or Japanese deer in 28 European countries.

The study's findings indicated that it can take decades to figure out which alien species will be disruptive, and looking at those that arrived in 1900 was a better indicator of current problems than looking at those from 2000.

"This lag in the cause-and-effect relationship would mean that ... the seeds of future invasion problems have already been sown," said the study, published in the U.S. Proceedings of the National Academy of Sciences. (Left: Canadian thistle)

Birds and insects were quickest to get established in new habitats, helped by their mobility. Others took far longer to reach the critical numbers to become invasive.

Introductions to Europe from the 19th century included ragweed, whose pollen is blamed for some hay fever, and the black locust tree (right), also from North America, which can damage European grassland with its ability to store nitrogen.

Increasing trade and travel during the 20th and 21st centuries means that the problems are likely to worsen unless checks on everything from the ballast tanks of ships to coffee or grain imports are tightened.

"We should do more about this problem now," said Stefan Dullinger, of the University of Vienna, Austria, who was among authors of the study from institutes in New Zealand, the Czech Republic, Germany, Switzerland, Spain, Italy and France. (Left: Florida parakeets)

"Otherwise, things can become even much worse than they are in a few decades," he said. The findings for Europe were likely to be mirrored elsewhere in the world. (Right: Kudzu in the south of the US - grows so fast people say they can see it happening)

The study also recommended that Europe should target controls at animal and plant species that were so far causing no damage but were known to be invasive in other habitats. (Left: map of distribution of invasive species)

Climate change could also add to the spread. "Warmer temperatures could trigger the spread of invasive species that are limited by climate now," Dullinger said.

Source:
Reuters,
"Invasive species lie in wait, strike after decades", accessed December 22, 2010

Short encouraging devotional or articles or writing by CH Spurgeon for encouragements

Believer Encouragements

Taken from CH Spurgeon's Morning and Evening, December 31, Morning

“In the last day, that great day of the feast, Jesus stood and cried, saying, if any man thirst, let him come unto me and drink.” - John 7:37

Patience had her perfect work in the Lord Jesus, and until the last day of the feast he pleaded with the Jews, even as on this last day of the year he pleads with us, and waits to be gracious to us. Admirable indeed is the longsuffering of the Saviour in bearing with some of us year after year, notwithstanding our provocations, rebellions, and resistance of his Holy Spirit. Wonder of wonders that we are still in the land of mercy!

Pity expressed herself most plainly, for Jesus cried, which implies not only the loudness of his voice, but the tenderness of his tones. He entreats us to be reconciled. “We pray you,” says the Apostle, “as though God did beseech you by us.” What earnest, pathetic terms are these! How deep must be the love which makes the Lord weep over sinners, and like a mother woo his children to his bosom! Surely at the call of such a cry our willing hearts will come.

Provision is made most plenteously; all is provided that man can need to quench his soul’s thirst. To his conscience the atonement brings peace; to his understanding the gospel brings the richest instruction; to his heart the person of Jesus is the noblest object of affection; to the whole man the truth as it is in Jesus supplies the purest nutriment. Thirst is terrible, but Jesus can remove it. Though the soul were utterly famished, Jesus could restore it.

Proclamation is made most freely, that every thirsty one is welcome. No other distinction is made but that of thirst. Whether it be the thirst of avarice, ambition, pleasure, knowledge, or rest, he who suffers from it is invited. The thirst may be bad in itself, and be no sign of grace, but rather a mark of inordinate sin longing to be gratified with deeper draughts of lust; but it is not goodness in the creature which brings him the invitation, the Lord Jesus sends it freely, and without respect of persons.
Personality is declared most fully. The sinner must come to Jesus, not to works, ordinances, or doctrines, but to a personal Redeemer, who his own self bare our sins in his own body on the tree. The bleeding, dying, rising Saviour, is the only star of hope to a sinner. Oh for grace to come now and drink, ere the sun sets upon the year’s last day!

No waiting or preparation is so much as hinted at. Drinking represents a reception for which no fitness is required. A fool, a thief, a harlot can drink; and so sinfulness of character is no bar to the invitation to believe in Jesus. We want no golden cup, no bejewelled chalice, in which to convey the water to the thirsty; the mouth of poverty is welcome to stoop down and quaff the flowing flood. Blistered, leprous, filthy lips may touch the stream of divine love; they cannot pollute it, but shall themselves be purified. Jesus is the fount of hope. Dear reader, hear the dear Redeemer’s loving voice as he cries to each of us,

“IF ANY MAN THIRST, LET HIM COME UNTO ME AND DRINK.”

Taken from Charles H Spurgeon's Morning and Evening, December 31, Morning

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Taken from CH Spurgeon's Morning and Evening, December 30, Evening


“Knowest thou not that it will be bitterness in the latter end?” - 2 Samuel 2:26

If, O my reader! thou art merely a professor, and not a possessor of the faith that is in Christ Jesus, the following lines are a true ketch of thine end.

You are a respectable attendant at a place of worship; you go because others go, not because your heart is right with God. This is your beginning. I will suppose that for the next twenty or thirty years you will be spared to go on as you do now, professing religion by an outward attendance upon the means of grace, but having no heart in the matter. Tread softly, for I must show you the deathbed of such a one as yourself. Let us gaze upon him gently. A clammy sweat is on his brow, and he wakes up crying, “O God, it is hard to die. Did you send for my minister?” “Yes, he is coming.” The minister comes. “Sir, I fear that I am dying!” “Have you any hope?” “I cannot say that I have. I fear to stand before my God; oh! pray for me.” The prayer is offered for him with sincere earnestness, and the way of salvation is for the ten-thousandth time put before him, but before he has grasped the rope, I see him sink. I may put my finger upon those cold eyelids, for they will never see anything here again. But where is the man, and where are the man’s true eyes? It is written, “In hell he lifted up his eyes, being in torment.” Ah! why did he not lift up his eyes before? Because he was so accustomed to hear the gospel that his soul slept under it. Alas! if you should lift up your eyes there, how bitter will be your wailings. Let the Saviour’s own words reveal the woe: “Father Abraham, send Lazarus, that he may dip the tip of his finger in water, and cool my tongue, for I am tormented in this flame.” There is a frightful meaning in those words. May you never have to spell it out by the red light of Jehovah’s wrath!

Taken from Charles H Spurgeon's Morning and Evening, December 30, Evening

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Wednesday, December 29, 2010

Genetic breakthrough in fight against honeybee killer

A breakthrough in the battle against a deadly mite responsible for decimating the honeybee population has been welcomed by conservation groups.

The varroa mite is the biggest killer of honeybees and has become resistant to medication developed to
destroy it. But now scientists have identified a genetic technique that could stop the mite in its tracks.

Researchers from the government's National Bee Unit and Aberdeen University have worked out how to "silence" natural functions in the mites' genes.

Alan Bowman, from the University of Aberdeen, said: "Introducing harmless genetic material encourages the mites' own immune response to prevent their genes from expressing natural functions. This could make them self-destruct.

"This approach targets the mites without harming the bees or, indeed, any other animal."

Giles Budge, from National Bee Unit, part of the Food and Environment Research Agency (Fera), agreed. "This cutting-edge treatment poses no threat to the bees.

"With appropriate support from industry and a rigorous approval process, chemical-free medicines could be available in five to 10 years."

The mite, which looks like a tiny brown crab, hitches a ride on the bee,
draining its blood and weakening its immune system. It takes just 1,000 mites to kill a colony of 50,000 bees.

Honeybees play a vital role in food production as crop pollinators but populations fell between 10 and 15% in the two years to 2009.

The mite is particularly deadly during the winter months as it strikes when bee numbers are depleted and colonies do not have enough bees to keep warm.

The mite originally attacked the Asian honeybee but jumped to the
European honeybee, which has a poor natural defense. It injects viruses, suppresses the bees' immune system and feeds on blood. Beekeepers use chemical controls but can never eradicate it and over the past decade the varroa developed resistance to some medication. (At right: distribution of varroa mite in red)

The environment minister Lord Henley said: "Bees are essential to putting food on our table and worth £200m to Britain every year through pollinating our crops.

"This excellent work by UK scientists will keep our hives healthy and bees buzzing."

The process uses the Nobel Prize-winning theory "RNA interference", which controls the flow of genetic information. So far the "silencing" has worked with a neutral varroa gene, which has no significant effect on the mite.

Scientists now need to target a gene with the specific characteristics that are perfect to force the varroa to self-destruct. Tests by other scientists have shown the treatment can be added to hives in bee feed. The bees
move it into food for their young, where the varroa hides.

Martin Smith, president of the British Beekeepers Association, said: "While this research is at the early stage, we are pleased that work is being undertaken to try and control the varroa mite which remains the largest threat to beekeeping in this country. We look forward to seeing further work in this area."

Source:
The Guardian,
"Genetic breakthrough in fight against honeybee killer", accessed December 22, 2010

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Believer Encouragements

Taken from CH Spurgeon's Morning and Evening, December 30, Morning 

“Better is the end of a thing than the beginning thereof.” - Ecclesiastes 7:8

Look at David’s Lord and Master; see his beginning. He was despised and rejected of men; a man of sorrows and acquainted with grief. Would you see the end? He sits at his Father’s right hand, expecting until his enemies be made his footstool. “As he is, so are we also in this world.” You must bear the cross, or you shall never wear the crown; you must wade through the mire, or you shall never walk the golden pavement. Cheer up, then, poor Christian. “Better is the end of a thing than the beginning thereof.” See that creeping worm, how contemptible its appearance! It is the beginning of a thing. Mark that insect with gorgeous wings, playing in the sunbeams, sipping at the flower bells, full of happiness and life; that is the end thereof. That caterpillar is yourself, until you are wrapped up in the chrysalis of death; but when Christ shall appear you shall be like him, for you shall see him as he is. Be content to be like him, a worm and no man, that like him you may be satisfied when you wake up in his likeness. That rough-looking diamond is put upon the wheel of the lapidary. He cuts it on all sides. It loses much-much that seemed costly to itself. The king is crowned; the diadem is put upon the monarch’s head with trumpet’s joyful sound. A glittering ray flashes from that coronet, and it beams from that very diamond which was just now so sorely vexed by the lapidary. You may venture to compare yourself to such a diamond, for you are one of God’s people; and this is the time of the cutting process. Let faith and patience have their perfect work, for in the day when the crown shall be set upon the head of the King, Eternal, Immortal, Invisible, one ray of glory shall stream from you. “They shall be mine,” saith the Lord, “in the day when I make up my jewels.” “Better is the end of a thing than the beginning thereof.”

Taken from Charles H Spurgeon's Morning and Evening, December 30, Morning 

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Taken from CH Spurgeon's Morning and Evening, December 29, Evening

“What think ye of Christ?” - Matthew 22:42

The great test of your soul’s health is, What think you of Christ? Is he to you “fairer than the children of men”-”the chief among ten thousand”-the “altogether lovely”? Wherever Christ is thus esteemed, all the faculties of the spiritual man exercise themselves with energy. I will judge of your piety by this barometer: does Christ stand high or low with you? If you have thought little of Christ, if you have been content to live without his presence, if you have cared little for his honour, if you have been neglectful of his laws, then I know that your soul is sick-God grant that it may not be sick unto death! But if the first thought of your spirit has been, how can I honour Jesus? If the daily desire of your soul has been, “O that I knew where I might find him!” I tell you that you may have a thousand infirmities, and even scarcely know whether you are a child of God at all, and yet I am persuaded, beyond a doubt, that you are safe, since Jesus is great in your esteem. I care not for thy rags, what thinkest thou of his royal apparel? I care not for thy wounds, though they bleed in torrents, what thinkest thou of his wounds? are they like glittering rubies in thine esteem? I think none the less of thee, though thou liest like Lazarus on the dunghill, and the dogs do lick thee-I judge thee not by thy poverty: what thinkest thou of the King in his beauty? Has he a glorious high throne in thy heart? Wouldest thou set him higher if thou couldest? Wouldest thou be willing to die if thou couldest but add another trumpet to the strain which proclaims his praise? Ah! then it is well with thee. Whatever thou mayest think of thyself, if Christ be great to thee, thou shalt be with him ere long.

“Though all the world my choice deride,
Yet Jesus shall my portion be;
For I am pleased with none beside,
The fairest of the fair is he”

Taken from Charles H Spurgeon's Morning and Evening, December 29, Evening

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Tuesday, December 28, 2010

Beat winter blues with birdsong, National Trust urges

Birdsong can conquer the gloom of shorter winter days, says the trust as it launches an online audio guide to Britain's best-loved species.

The National Trust is urging people to tune into birdsong to help conquer the gloom of the short winter days of the year.


The trust has recorded birds at Woodchester Park in Gloucestershire and created an online audio guide to some of Britain's best-loved species, from favorites such as the robin and members of the tit family to the blackcap (right) and great-crested grebe. Others contributing to the soundtrack include the goldcrest, blackbird, thrush, chiffchaff, wren, mallard, coot and even the garden bully, the wood pigeon (below left).

Whether the song is to ward off competitors for territory or seeking a mate, trust ecologist Peter Brash insists listeners will feel better for hearing it. "We're all attuned to the need to eat five fruit and vegetables a day or take a 30-minute walk. Taking the time out to listen to five minutes of birdsong every day could be beneficial to our wellbeing."

"Even today, when we have less than eight hours of daylight, there will be plenty of birds around to lift the spirits," said Brash. "Though there is no real substitute for listening to birds sing in the outdoors and we're never that far away from birdsong wherever we are." (At right: chiffchaff bird)

Source:
The Guardian,
"Beat winter blues with birdsong, National Trust urges", accessed December 22, 2010

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Believer Encouragements

Taken from CH Spurgeon's Morning and Evening, December 29, Morning 

“Hitherto hath the Lord helped us.” - 1 Samuel 7:12

The word “hitherto” seems like a hand pointing in the direction of the past. Twenty years or seventy, and yet, “hitherto the Lord hath helped!” Through poverty, through wealth, through sickness, through health, at home, abroad, on the land, on the sea, in honour, in dishonour, in perplexity, in joy, in trial, in triumph, in prayer, in temptation, “hitherto hath the Lord helped us!” We delight to look down a long avenue of trees. It is delightful to gaze from end to end of the long vista, a sort of verdant temple, with its branching pillars and its arches of leaves; even so look down the long aisles of your years, at the green boughs of mercy overhead, and the strong pillars of lovingkindness and faithfulness which bear up your joys. Are there no birds in yonder branches singing? Surely there must be many, and they all sing of mercy received “hitherto.”

But the word also points forward. For when a man gets up to a certain mark and writes “hitherto,” he is not yet at the end, there is still a distance to be traversed. More trials, more joys; more temptations, more triumphs; more prayers, more answers; more toils, more strength; more fights, more victories; and then come sickness, old age, disease, death. Is it over now? No! there is more yet-awakening in Jesus’ likeness, thrones, harps, songs, psalms, white raiment, the face of Jesus, the society of saints, the glory of God, the fulness of eternity, the infinity of bliss. O be of good courage, believer, and with grateful confidence raise thy “Ebenezer,” for-

He who hath helped thee hitherto
Will help thee all thy journey through.
When read in heaven’s light how glorious and marvellous a prospect will thy “hitherto” unfold to thy grateful eye!

Taken from Charles H Spurgeon's Morning and Evening, December 29, Morning

On this site you can also find: Encouragements for Christian / Christian encouragements / Encouragements Quotes / Poem encouraging believers / Christian encouragement quotes / simple Christian sermons on encouragement / christian encouragements / biblical sermon on encouragement / Christian bookmark templates / 2010 Christian calendar template / Free printable Bible quotes / Free encouraging sermons / Biblical verse of encouragement for the believers and sermons / Free Christian encouraging images / Free christian encouraging pictures /  Christian encouragements phrases

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Taken from CH Spurgeon's Morning and Evening, December 28, Evening

“I came not to send peace on earth, but a sword.” - Matthew 10:34

The Christian will be sure to make enemies. It will be one of his objects to make none; but if to do the right, and to believe the true, should cause him to lose every earthly friend, he will count it but a small loss, since his great Friend in heaven will be yet more friendly, and reveal himself to him more graciously than ever. O ye who have taken up his cross, know ye not what your Master said? “I am come to set a man at variance against his father, and the daughter against her mother; and a man’s foes shall be they of his own household.” Christ is the great Peacemaker; but before peace, he brings war. Where the light cometh, the darkness must retire. Where truth is, the lie must flee; or, if it abideth, there must be a stern conflict, for the truth cannot and will not lower its standard, and the lie must be trodden under foot. If you follow Christ, you shall have all the dogs of the world yelping at your heels. If you would live so as to stand the test of the last tribunal, depend upon it the world will not speak well of you. He who has the friendship of the world is an enemy to God; but if you are true and faithful to the Most High, men will resent your unflinching fidelity, since it is a testimony against their iniquities. Fearless of all consequences, you must do the right. You will need the courage of a lion unhesitatingly to pursue a course which shall turn your best friend into your fiercest foe; but for the love of Jesus you must thus be courageous. For the truth’s sake to hazard reputation and affection, is such a deed that to do it constantly you will need a degree of moral principle which only the Spirit of God can work in you; yet turn not your back like a coward, but play the man. Follow right manfully in your Master’s steps, for he has traversed this rough way before you. Better a brief warfare and eternal rest, than false peace and everlasting torment.

Taken from Charles H Spurgeon's Morning and Evening, December 28, Evening

On this site you can also find: Encouragements for Christian / Christian encouragements / Encouragements Quotes / Poem encouraging believers / Christian encouragement quotes / simple Christian sermons on encouragement / christian encouragements / biblical sermon on encouragement / Christian bookmark templates / 2010 Christian calendar template / Free printable Bible quotes / Free encouraging sermons / Biblical verse of encouragement for the believers and sermons / Free Christian encouraging images / Free christian encouraging pictures /  Christian encouragements phrases

Monday, December 27, 2010

Africa Has Two Elephant Species, Genetic Analysis Confirms

Contrary to the belief of many scientists (as well as many members of the public), new research confirms that Africa has two -- not one -- species of elephant. Scientists from Harvard Medical School, the University of Illinois, and the University of York in the United Kingdom used genetic analysis to prove that the African savanna elephant (left) and the smaller African forest elephant have been largely separated for several million years.

The researchers, whose findings appear online in PLoS Biology, compared the DNA of modern elephants from Africa and Asia to DNA that they extracted from two extinct species:
the woolly mammoth and the mastodon. Not only is this the first time that anyone has generated sequences for the mastodon nuclear genome, but it is also the first time that the Asian elephant, African forest elephant (right), African savanna elephant, the extinct woolly mammoth, and the extinct American mastodon have been looked at together.

"Experimentally, we had a major challenge to extract DNA sequences from two fossils -- mammoths and mastodons (left) -- and line them up with DNA from modern elephants over hundreds of sections of the genome," says research scientist Nadin Rohland of the Department of Genetics at Harvard Medical School.

According to David Reich, associate professor in the same department,
"The surprising finding is that forest and savanna elephants from Africa -- which some have argued are the same species -- are as distinct from each other as Asian elephants and mammoths."

Researchers only had DNA from a single elephant in each species, but had collected enough data from each genome to traverse millions of years of evolution to the time when elephants first diverged from each other.
"The divergence of the two species took place around the time of the divergence of the Asian elephant and woolly mammoths," says Professor Michi Hofreiter, who specializes in the study of ancient DNA in the Department of Biology at York. "The split between African savanna and forest elephants is almost as old as the split between humans and chimpanzees. This result amazed us all."
The possibility that the two might be separate species was first raised in 2001, but this is the most compelling scientific evidence so far that they are indeed distinct.

Previously, many naturalists believed that African savanna elephants and African forest elephants were two populations of the same species, despite the significant size differences. The savanna elephant has an average shoulder height of 3.5 meters whereas the forest elephant has an average shoulder height of 2.5 meters. The savanna elephant weighs
between six and seven tons, roughly double the weight of the forest elephant. (Left: range of African elephants)

African savannah elephants are found in savannah zones in 37 countries south of the Sahara Desert. African forest elephants inhabit the dense rain forests of west and central Africa. The continent’s northernmost elephants are found in Mali’s Sahel desert. The small, nomadic herd of Mali elephants migrates in a circular route through the desert in search of water.

DNA analysis revealed a wide range of genetic diversity within each
species. The savanna elephant and woolly mammoth have very low genetic diversity, Asian elephants have medium diversity, and forest elephants have very high diversity. Researchers believe that this is due to varying levels of reproductive competition among males.

"We now have to treat the forest and savanna elephants as two different units for conservation purposes," says Alfred Roca, assistant professor in the Department of Animal Sciences at the University of Illinois. "Since 1950, all African elephants have been conserved as one species. Now that we know the forest and savanna elephants are two very distinctive animals, the forest elephant should become a bigger priority for conservation purposes."

This research was funded by the Max Planck Society and by a Burroughs Wellcome Career Development Award in Biomedical Science.

Source:
Science News,
"Africa Has Two Elephant Species, Genetic Analysis Confirms", accessed December 22, 2010
Journal Citation:
Nadin Rohland, David Reich, Swapan Mallick, Matthias Meyer, Richard E Green, Nicholas J Georgiadis, Alfred L Roca, Michael Hofreiter. Genomic DNA Sequences from Mastodon and Woolly Mammoth Reveal Deep Speciation of Forest and Savanna Elephants. PLoS Biology, 2010; 8 (12): e1000564 DOI: 10.1371/journal.pbio.1000564

Short encouraging devotional or articles or writing by CH Spurgeon for encouragements

Believer Encouragements

Taken from CH Spurgeon's Morning and Evening, December 28, Morning

“The life which I now live in the flesh, I live by the faith of the Son of God.” - Galatians 2:20

When the Lord in mercy passed by and saw us in our blood, he first of all said, “Live”; and this he did first, because life is one of the absolutely essential things in spiritual matters, and until it be bestowed we are incapable of partaking in the things of the kingdom. Now the life which grace confers upon the saints at the moment of their quickening is none other than the life of Christ, which, like the sap from the stem, runs into us, the branches, and establishes a living connection between our souls and Jesus. Faith is the grace which perceives this union, having proceeded from it as its firstfruit. It is the neck which joins the body of the Church to its all-glorious Head.

“Oh Faith! thou bond of union with the Lord,
Is not this office thine? and thy fit name,
In the economy of gospel types,
And symbols apposite-the Church’s neck;
Identifying her in will and work
With him ascended?”

Faith lays hold upon the Lord Jesus with a firm and determined grasp. She knows his excellence and worth, and no temptation can induce her to repose her trust elsewhere; and Christ Jesus is so delighted with this heavenly grace, that he never ceases to strengthen and sustain her by the loving embrace and all-sufficient support of his eternal arms. Here, then, is established a living, sensible, and delightful union which casts forth streams of love, confidence, sympathy, complacency, and joy, whereof both the bride and bridegroom love to drink. When the soul can evidently perceive this oneness between itself and Christ, the pulse may be felt as beating for both, and the one blood as flowing through the veins of each. Then is the heart as near heaven as it can be on earth, and is prepared for the enjoyment of the most sublime and spiritual kind of fellowship.

Taken from Charles H Spurgeon's Morning and Evening, December 28, Morning

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Why are the letters "z" and "x" so popular in drug names?



Freelance medical and science writer Rob Stepney noticed the rapid growth of "x" and "z"-named products included in the British National Formulary (BNF). So for the Christmas 2010 issue of BMJ (Stepney, 2010), he investigated this phenomenon:
Of 1436 products added to the BNF between 1986 and 2005, more than a fifth had names that began with z or x or contained a prominent x or z within them. In 1986, only 19 branded drugs began with one of these letters. Over the next two decades, the number of brands beginning with a z increased by more than 400% (to 63) and those beginning with an x increased by 130% (to 16). In the same period, the overall content of the BNF grew by only 80%.
Why did it happen? He first asks whether use of the voiced fricative “zuh” sound might be special in some way, but he quickly dismisses this possibility, along with the popularity of z in the Middle East.

Instead, he speculates that x and z might have been perceived as making products stand out in a crowd:
Reflecting their infrequent occurrence in English words, x and z count for 8 and 10 points in Scrabble, the highest values (along with j and q) in the game. So names that contain them are likely to seem special and be memorable. “If you meet them in running text, they stand out,” is the way one industry insider explained. Generally, they are also easy to pronounce.
In my view, however, the rush to uniqueness resulted in an overcrowded field. The market became saturated with X and Z brand names, which can cause confusion.


Fig 1 (Stepney, 2010). Number of drugs with a brand name beginning with z or x listed in March edition of BNF for each year. New formulations of existing brands and zinc related compounds have been excluded.

For instance, the August 9, 2007 newsletter from the Institute for Safe Medication Practices discusses Progress with preventing name confusion errors and links to a document on the most problematic look-alike and sound-alike drug names of 2006-2007 (PDF). These include:
ZYPREXA (olanzapine) and ZYRTEC (cetirizine)

Name similarity has resulted in frequent mixups between Zyrtec, an antihistamine, and Zyprexa, an antipsychotic. Patients who receive Zyprexa in error have reported dizziness, sometimes leading to a related injury from a fall. Patients on Zyprexa for a mental illness have relapsed when given Zyrtec in error.
Other frequently confused Z/X pairs:
Zantac – Xanax
Zantac – Zyrtec
Zestril – Zyprexa
Zestril – Zetia
Zocor – Zyrtec
At any rate, here's Stepney's (2010) conclusion:
I suggest that this phenomenon arose because of the fast rate at which new products were being introduced, the fact that the difference between many “me too” drugs was more apparent than real, the immense rewards that were seen to accrue from innovative marketing, and the fact that the ploys available for use in the naming of drugs are so restricted.
A full list of the drugs mentioned in the article can be viewed here.

Reference

Stepney, R. (2010). A dose by any other name would not sell as sweet. BMJ, 341:c6895 DOI: 10.1136/bmj.c6895