Archives » September, 2008

The Earth After Us – What Legacy Will Humans Leave In The Rocks?

What will be the lasting impression made by mankind – 100 million years hence? “From the perspective of 100 million years in the future –- a geologist’s view -– the reign of humans on Earth would seem very short: we would almost certainly have died out long before then. What footprint will we leave in the rocks? What would have become of our great cities, our roads and tunnels, our cars, our plastic cups in the far distant future? What fossils would we leave behind?

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Freedom from selection lets genes get creative

What if nature’s most elaborate creations ‘just happened’? is intrigued by a new twist to evolution (full text available to subscribers)

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Sweet Dreams are made of these…. roses

[From the BBC]
 When the smell of roses had been wafted under the noses of slumbering volunteers they reported experiencing pleasant emotions in their dreams.

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What happens to life when selection stops?

Life’s most elaborate products may be the result of happy accidents rather than natural selection, says (full text available to subscribers)

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Neanderthals were gourmets as well

[From the BBC] 
It seems Neanderthals enjoyed a wide range of foods – including seal and dolphin when they could get hold of the animals.

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Insight into the evolution of parasitism

(Max-Planck-Gesellschaft) Molecular biologists have decoded the genome of a nematode living in beetles.

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‘Redesigned Hammer’ That Forged Evolution Of Pregnancy In Mammals Found

Researchers have shown that the origin and evolution of the placenta and uterus in mammals is associated with evolutionary changes in a single regulatory protein, according to new report.

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Scientists find ‘redesigned hammer’ that forged evolution of pregnancy in mammals

(Yale University) Yale researchers have shown that the origin and evolution of the placenta and uterus in mammals is associated with evolutionary changes in a single regulatory protein, according to a report in Proceedings of the National Academy of Sciences.

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Why Stroking is Pleasurable

[From the BBC] 
A new touch-sensitive nerve fibre responsible for the sense of pleasure experienced during stroking has been described.

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Computational biochemist uncovers a molecular clue to evolution

(Florida State University) A Florida State University researcher who uses high-powered computers to map the workings of proteins has uncovered a mechanism that gives scientists a better understanding of how evolution occurs at the molecular level.

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