Advances

By physically engineering their environments, megafauna such as dinosaurs curbed fruit seed sizes—a role that now may be filled by humans

New research helps the “ocean’s veins” thrive under heat stress

A physics-based sperm-screening technique could offer a more accurate at-home test for people trying to conceive

Businesses are making moves to avoid consumer warning labels, and the effects reach far beyond California

A new mathematical model helps to advance the centuries-old art of knitting

Bacterial genes protect animals—and their predators—from harmful contamination

Scientists identified four arm wave signals cuttlefish use: “up,” “side,” “roll” and “crown”

Baby warty birch caterpillars vibrate when threatened—before swinging away like Spider-Man

Researchers discover a new color outside the range of human color vision, but you have to laser your retinas to see it

A long-lost slab of Earth’s crust may be pulling away the bottom of the oldest part of North America, scientists say

Build a special set of dice in this math puzzle

The brain’s response to information depends on language’s grammatical structure