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.
Peaks protected fifty years ago by the Wilderness Act no longer keep mountain goats safe from human impact.
By the 1920s, California had lost all of its grizzly bears—once considered a distinct species and an emblem of the state.
Preconceptions skew our view of the biggest killer in the developed world, atherosclerosis.