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Wednesday, February 1, 2012

ScienceDaily: Top Environment News

ScienceDaily: Top Environment News


Scientists prove plausibility of new pathway to life's chemical building blocks

Posted: 31 Jan 2012 02:56 PM PST

Scientists have demonstrated an alternative pathway to life-essential sugars called the glyoxylate scenario, which may push the field of pre-life chemistry past the formose reaction hurdle.

New species of ancient crocodile discovered

Posted: 31 Jan 2012 02:56 PM PST

A new species of prehistoric crocodile has been discovered. The extinct creature, nicknamed "Shieldcroc" due to a thick-skinned shield on its head, is an ancestor of today's crocodiles.

Botany: Moonlighting enzyme works double shift 24/7

Posted: 31 Jan 2012 12:08 PM PST

A team of researchers has discovered an overachieving plant enzyme that works both the day and night shifts. The discovery shows that plants evolved a new function for this enzyme by changing merely one of its protein building blocks.

Following the shifting of tectonic plates to understand Mediterranean biodiversity

Posted: 31 Jan 2012 09:14 AM PST

Around 30 millions years ago, the Western Mediterranean basin opened as a result of the tectonic collision of the African and Eurasian plates. This geologic event was the starting point for the diversification of an endemic group of Western Mediterranean spiders, as has been demonstrated by a new study.

Ancient DNA holds clues to climate change adaptation

Posted: 31 Jan 2012 07:25 AM PST

Thirty-thousand-year-old bison bones discovered in permafrost at a Canadian goldmine are helping scientists unravel the mystery about how animals adapt to rapid environmental change.

Evolutionary geneticist helps to find butterfly gene, clue to age-old question

Posted: 31 Jan 2012 06:24 AM PST

An evolutionary geneticist helped discover the gene in passion vine butterflies that keeps predators from eating them. The gene is responsible for red patterns on the butterflies' wings.

The Arctic is already suffering the effects of a dangerous climate change

Posted: 30 Jan 2012 02:19 PM PST

Two decades after the United Nations established the Framework Convention on Climate Change in order to "prevent dangerous anthropogenic interference with the climate system", the Arctic shows the first signs of a dangerous climate change.

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