Orb web spiders found to be better guards after sex

Previously, Daiqin Li and colleagues at the National University of Singapore found that the male orb web spider loses its sex organ, called a palp, due to it breaking off during sex because it allowed the male to continue ...

Is a new form of life really so alien?

The idea of discovering a new form of life has not only excited astronomers and astrobiologists for decades, but also the wider public. The notion that we are the only example of a successful life form in the galaxy has, ...

Acquired traits can be inherited via small RNAs

Columbia University Medical Center (CUMC) researchers have found the first direct evidence that an acquired trait can be inherited without any DNA involvement. The findings suggest that Lamarck, whose theory of evolution ...

Scientists develop new potato lines to wage war on wireworms

When wireworms feast on potatoes, the results aren't pretty: The spuds' surfaces are left punctured, pitted and unappealing. For the past few years, U.S. Department of Agriculture (USDA) scientists and their colleagues have ...

E. coli offers insight to evolution

(PhysOrg.com) -- Evolutionary biologist Richard Lenski occasionally thinks of his 12 original flasks of E. coli as the experiment that keeps on giving.

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