New analysis of DNA evidence contradicts claims of 'Yeti' brown/polar bear hybrid in Himalayas
Study shows starving mantis females attract more males
Amazonian bird chicks mimic poisonous caterpillar to avoid detection
Genes tell story of birdsong and human speech
His office is filled with all sorts of bird books, but Duke neuroscientist Erich Jarvis didn't become an expert on the avian family tree because of any particular interest in our feathered friends. Rather, ...
International team maps 'big bang' of bird evolution
The genomes of modern birds tell a story of how they emerged and evolved after the mass extinction that wiped out dinosaurs and almost everything else 66 million years ago. That story is now coming to light, ...
Researchers discover new class of stem cells
Researchers have identified a new class of lab-engineered stem cells-cells capable of transforming into nearly all forms of tissue-and have dubbed them F-class cells because they cluster together in "fuzzy-looking" ...
Dragonflies on the hunt display complex choreography
The dragonfly is a swift and efficient hunter. Once it spots its prey, it takes about half a second to swoop beneath an unsuspecting insect and snatch it from the air. Scientists at the Howard Hughes Medical ...
Researchers document aviary eggshell with iridescence for the first time
Viking families traveled together, research shows
Electric eels deliver Taser-like shocks
The electric eel - the scaleless Amazonian fish that can deliver an electrical jolt strong enough to knock down a full-grown horse - possesses an electroshock system uncannily similar to a Taser.
Pufferfish myth busted—they do so breathe when puffed up
Origin of the Eukaryotic cell: Part I - How to train your endosymbiont
Neural 3-D compass discovered in mammalian brain
Pilots are trained to guard against vertigo: a sudden loss of the sense of vertical direction that renders them unable to tell "up" from "down" and sometimes even leads to crashes. Coming up out of a subway ...