Heidi Hammel of the Space Science Institute in Boulder, Colo., said, “We’re giddy with the quality of the data we’re getting.” Among the images were gas flying from a dying star that looked like a butterfly spreading its wings, and a galaxy nearly 10 billion light-years away whose image had been stretched and magnified by the gravity of a cluster of galaxies into a “dragon” shape. Examining such i
Evolutionary Fate Of 'Useless' Traits: Why Some Traits Break Down Quickly While Others Persist Over Time Date: September 11, 2009 Source: National Evolutionary Synthesis Center (NESCent) Summary: What happens when traits no longer give creatures a competitive edge? In a recent review, researchers teamed up to take a closer look at the evolutionary fate of useless traits. Share: Some subterranean a
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