A butterfly larva’s fate depends on who finds it first—its ant friends or ant foes.
After decades of ferocious fighting, the Swat wife usually triumphs over her beleaguered husband.
Their principles, purposes, and prospects
Part of New York’s heritage vanished when bulldozers dug the foundation for the World Trade Center
The immutable laws of design set limits on all organisms.
An American anthropologist set out to study the Tiv of West Africa and was taught the true meaning of Hamlet.
Electron microscopy has shown the biologist a complex, new world.
Can shipwrecked men survive if they drink sea water?
Hundreds dot the Costa Rican jungle, as baffling as the monuments of Stonehenge.
Even as a pet, his single interest was in ants, and he never quite got used to a tame chimpanzee.
Elephant populations continue to dwindle in Tanzania.
With proper safeguards, water currents can be harnessed out of sight.
Barely pulled back from the brink of extinction, California condors are still being poisoned by lead-based ammunition.
Vulnerable everywhere in the wild, lions already face regional extinction.