Duke University

Low oxygen triggers moth molt

A new explanation for one of nature's most mysterious processes, the transformation of caterpillars into moths or butterflies, might best be described as breathless.

Aug 22, 2011
5 / 5 (2) 0 | with audio podcast

New evidence in plants shows micro-RNA can move

Ever since tiny bits of genetic material known as microRNA were first characterized in the early 1990s, scientists have been discovering just how important they are to regulating the activity of genes within cells.

Apr 21, 2010
4.9 / 5 (7) 0 | with audio podcast