Archive: 04/20/2010

How cobras form hood flares

(PhysOrg.com) -- Cobras, and several other groups of unrelated snakes, form a menacing hood flare by expanding the sides of their necks as part of a defensive display. Now scientists in the US have identified ...

Apr 20, 2010 4.2 / 5 (9) 0 | with audio podcast report