Big horns trump smooth pickup lines every time
Thursday, July 26, 2012 - 16:00
in Biology & Nature
Elk and rhinoceros beetles aren't diabetic, but to grow big horns and attract mates it appears that the males are insulin-dependent. Biologists have, for the first time ever, showed why horns -- from elk to rhinoceros beetles -- and other decorative, mate-attracting structures are sensitive to changes in nutrition.