Biology - Plants & Animals news

Mole rat dental structure similar to a shark

(PhysOrg.com) -- Sharks are capable of continually growing new teeth. As the teeth age, they fall out and new ones move forward similar to that of a tooth conveyor belt. Humans, and most mammals, on the other ...

Oct 11, 2011 report
4 / 5 (4) 0 | with audio podcast

Bees outpace orchids in evolution

(PhysOrg.com) -- Orchid bees aren’t so dependent on orchids after all, according to a new study that challenges the prevailing view of how plants and their insect pollinators evolve together.

Sep 23, 2011
5 / 5 (3) 0 | with audio podcast

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