There’s safety, even power, in numbers. One creature’s confrontation with the world seems insurmountable, almost impossible, but an army of those little creatures can move mountains. And no creature ...

A chimpanzee carries a stick to use as a tool to eat army ants. The chimpanzees insert these tools into the ant nests until the insects climb on the tool and then eat them. / Chimpanzees are the ...

At the Smithsonian Tropical Research Institute, researchers track swarms of carnivorous army ants and the birds that follow them. A new documentary reveals a glimpse of life, and research, in the ...

As part of its epic 10-part journey across the American supercontinent, The Americas takes viewers into the heart of the Amazon, the world’s largest rainforest and a hotbed of biodiversity. It covers ...

The piano-mover puzzle involves trying to transport an oddly shaped load across a constricted environment with various obstructions. It’s one of several variations on classic computational ...