Evolutionary Biology

The determination on children's faces as they struggled with a difficult task was not observed in chimpanzees involved in the same study, suggesting that the expression is an evolutionary trait

The fossil-rich layers date from the period when dinosaurs and birds split from a common ancestor

What with all the monitor-themed goodness around these parts lately (see links below), it seems only fitting that I provide a re-vamped, substantially updated version of this Tet Zoo ver 2 classic (originally published in September 2007).

An extinction crisis is quietly unfolding in the southeastern U.S.

Is slaughtering birds the best way to keep the wildlife away from airplanes?

Such large, intelligent animals suffer when stuffed in a zoo

The molecule is thought to activate proteins involved in metabolism and inflammation

We now have solid evidence that elephants are some of the most intelligent, social and empathic animals around—so how can we justify keeping them in captivity?

Functional MRI brain scans show that man and man's best friend use analogous brain regions to process vocalizations of both their own and the other species. Sophie Bushwick reports

Tadpoles ate tadpole meat to avoid starving but otherwise chose other food sources

A momentous thing is about to happen. Take a deep breath and prepare yourself. Today is the day when… I finish my series of articles on the crocodiles of the world.