Some turtle shells evolved the ideal shape for staying upright.
Do baseballs obey the conventional laws of physics?
What airplane designers could learn from the shape-changing wings of birds
Moray eels grab scientific attention—and more—with their jaws.
Skaters have been speeding up over the centuries, thanks to better footwear.
Antarctic scallops have lighter shells, less muscle mass, and more resilient hinge rubber than their tropical cousins.
Surviving in the intertidal zone tests the rubbery limits of algae.
Teeth that stab or crush to match their meal
To walk on walls and ceilings, your feet have to stick, but they have to get unstuck, too.
Ferns and fungi that explosively reproduce
The seemingly unwieldy shape of a fish is anything but a drag.
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.