Stories by Mark Stratton

The greater sac-winged bat develops its own language in much the way we do.

New research tries to tease out whether our closest animal relatives can be selfless

Horseflies misjudge landings on zebra patterns, compared with solid gray or black surfaces, which provides evidence for why evolution came up with the black-and-white pattern.

A study of our closest evolutionary relatives finds that the chimp behavior known as lip smacking occurs in the same timing range as human mouths during speech.