Biology news

Plants live, die according to their size

Plants self-regulate their populations to maintain stability and optimize their lives, with the lengths of their lives directly related to their mass, a recent study has found. Further, a single scaling power for lifespan ...

dateOct 22, 2007 in feature
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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 ...

dateDec 07, 2006 in feature
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Study finds facial expressions are inherited

Scientists have found that family members share a facial expression “signature”—a unique form of the universal facial expressions encountered worldwide. In a rare study taking into account blind subjects, Gili Peleg, ...

dateNov 07, 2006 in feature
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New motor first to be powered by living bacteria

A new motor designed by scientists from Japan offers the best of both worlds: the living and the non-living. The group built a hybrid micromachine that is powered by gliding bacteria which travels on an inorganic silicon ...

dateOct 12, 2006 in feature
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Uranium 'pearls' before slime

Since the discovery a little more than a decade ago of bacteria that chemically modify and neutralize toxic metals without apparent harm to themselves, scientists have wondered how on earth these microbes do it.

dateAug 08, 2006 in
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Ancient Global Warming Drove Early Primates' Dispersal

The continent-hopping habits of early primates have long puzzled scientists, and several scenarios have been proposed to explain how the first true members of the group appeared virtually simultaneously on Asia, Europe and ...

dateJul 25, 2006 in
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