Radiolab

Navigate
Edit Bucket

The Rat Tickler

A little behind-the-scenes footage from our Laughter show -- what happens when you tickle a rat.

Comments [6]

On-Air This Week: Laughter

Why do we laugh? This hour, we stick our fingers in a rat's cage, tickle a baby, and try to track down the roots of a laughter epidemic in Tanzania. Listen on a station near you.

Comments [62]

Howling Babies Drove Prehistoric Warriors Into Battle?

Can a colicky baby's piercing scream be militarized? As in, made (literally) into a weapon of war? Oh, absolutely, says this scholar, smiling ever so slightly.

Comment

What Makes A Star Starry? Is It Me?

Draw a planet (a circle, right?). Now draw a star (a pointy thing, yes?). Now ask yourself, aren't stars all round? Our sun is. So why do we make them pointy? Come learn the answer.

Comment

Mapping What You Cannot See, Cannot Know, Cannot Visit

We live on a planet, next to a star that's part of a galaxy that's part of ... ah, here comes the new discovery. We are at the very tip of a giant galactic "supercluster." Take a look.

Comments [6]

Tumbling In The Light

Every fall, birds head south and, around Sept. 11, New York sends two beams into the sky. When birds and lights collide, that could mean trouble — but New York is surprisingly gentle.

Comment

Building Me: A Puzzlement

 I am made of atoms — 7,000 trillion trillion of them. How did I teach them to tie my shoes? Or did they teach me?

Comments [2]

Help Rewrite History

In Detective Stories, Jad digs into an ancient trash heap that has reshaped our understanding of history. Now, you can help decode more secrets -- by transcribing scraps of papyrus.

Comments [14]

Roadways You Can Install Like Throw Rugs

You look. You gape. You can't believe your eyes. Well, take a peek at this image and ask yourself, 'How did they do this?'

Comments [3]