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Like Humans, Chimps Fall For Fashion Trends

It's long been known that chimps learn from each other to make useful tools. Now researchers have seen them copy each other's "fashion statement," Dr. Katherine Cronin tells NPR's Arun Rath.

The Most Astonishing Wave-Tracking Experiment Ever

What if I told you that an ordinary-looking wave hitting your beach had traveled, intact, halfway across the planet? Would you believe me? Well, believe this.

Well, I'll Be Un-Dammed: Colorado River (Briefly) Reached The Sea

This spring, the river's final stretch flowed freely for the first time in 50 years. NPR's Kelly McEvers talks to writer Rowan Jacobsen about his paddling trip down the temporarily-restored delta.
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Invasive Bugs

They're the ultimate hitch-hikers: bugs that hop into cargo ships or suitcases and travel abroad. We'll explore how invasive species of bugs are damaging crops and annoying humans.


WATCH: Giant Undulating Anchovy School

The largest school of the tiny fish seen in 30 years was spotted earlier this week off La Jolla, Calif.

Elephant Featured In Film 'Alexander' Killed By Thai Poachers

The 50-year-old Asian elephant, named Phlai Khlao, was apparently poisoned before his tusks were hacked off. Thai authorities are questioning a suspect who is a former elephant handler.

Mississippi Child Thought Cured Of HIV Shows Signs Of Infection

Scientists hoped the baby's apparent cure would lead to similar treatments in infants worldwide. But with the child still HIV-positive, some question the ethics of a large study in other children.

Alcohol Test: Does Eating Yeast Keep You From Getting Drunk?

When we read about a way to stave off intoxication in Esquire, we were dubious. So we bought a Breathalyzer and a few IPAs and tested out the kooky theory.

Why HIV Spreads Less Easily In Heterosexual Couples

People in heterosexual relationships are about 20 times less likely to pass HIV to their partners than homosexual men. Now scientists have found a clue to why this disparity exists.

Math Nerd Or Bookworm? Many Of The Same Genes Shape Both Abilities

About half the genetic contribution to a child's reading ability also shapes how math-savvy she is, a big study of twins finds. But there's still no telling exactly which genes are involved.