07/12/2006

Humans grieve for the 'given' world

How are human beings reacting to displacement of their natural, or "given," world by a built world? This question lay at the heart of a talk given by Professor Rosalind Williams on Nov. 27, the last in a series of fall colloquia ...

Ancient ape ruled out of man's ancestral line

Ancient remains, once thought to be a key link in the evolution of mankind, have now been shown to be 400,000 years too young to be a part of man’s family tree.

Engineered yeast speeds ethanol production

Scientists from Whitehead Institute and MIT have engineered yeast that can improve the speed and efficiency of ethanol production, a key component to making biofuels a significant part of the U.S. energy supply.

Researchers clear way to stronger glass

Look at your window - not out it, but at it. Though the window glass looks clear, if you could peer inside the pane you would see a surprising molecular mess, with tiny particles jumbled together any which way.

Chemists create 'nanorobotic' arm to operate within DNA sequence

New York University chemistry professor Nadrian C. Seeman and his graduate student Baoquan Ding have developed a DNA cassette through which a nanomechanical device can be inserted and function within a DNA array, allowing ...

Ancient climate change may portend toasty future

Scientists, including Ken Caldeira of the Carnegie Institution’s Department of Global Ecology, have found that the Earth’s global warming, 55 million years ago, may have resulted from the climate’s high sensitivity ...

Is there a homosexuality gene?

Although biologists are still far from answering this question, scattered evidence for a possible gene influencing sexual orientation has recently encouraged scientists to map out a guide to future research. Because many ...

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