Biology news

How spiders spin silk

Spider silk is an impressive material; lightweight and stretchy yet stronger than steel. But the challenge that spiders face to produce this substance is even more formidable. Silk proteins, called spidroins, ...

Aug 05, 2014 4.5 / 5 (6) 0

Kangaroos win when Aborigines hunt with fire

Australia's Aboriginal Martu people hunt kangaroos and set small grass fires to catch lizards, as they have for at least 2,000 years. A University of Utah researcher found such man-made disruption boosts ...

Aug 04, 2014 5 / 5 (3) 0