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Sweet additives like saccharin and aspartame might fast-track cognitive decline

This visionary new initiative would do more than save the ocean. It would regenerate it.

They seem to prefer fruits with the highest alcohol content

These snakes are among the few animals that can kill the regal felines

Psychologist Paul Bloom on why chatbots make good companions. And why they don't.

These word games spell out canines’ surprising cognitive powers

Some scientists want to create a biological Bizarro World—is it safe?

A new book explores what drives the brain’s sometimes insatiable quest for vengeance

An aging Earth, like an aging body, is increasingly vulnerable to heat’s fatal strikes

How we adapt is shifting

One little appendage may have played a very large part

A singular quality unifies favorites