Archive: 02/07/2012

When did the feather take flight?

(PhysOrg.com) -- Some 125 million years ago--more recently than once thought possible -- the molecular structure of the modern feather began to take form, according to molecular dating research by scientists ...

Feb 07, 2012 5 / 5 (6) 3 | with audio podcast

Soundscape ecologists spawn new field

Geophony. Biophony. Anthrophony. Unfamiliar words. But they shouldn't be. We're surrounded by them morning, noon and night, say ecologist Bryan Pijanowski of Purdue University and colleagues.

Feb 07, 2012 5 / 5 (2) 0