Robert Krulwich

Imagine a plate, like a dinner plate, hovering mid-air. The technical name for this gizmo is a quadrocopter. But what it's about to do is something you might see at the circus. So in comes the man with the top hat, (me) saying "Laaadies and Gentlemen ... Hold on to ...

Here's something new, exciting and just a little bit troubling: it's a little robot that you can fly with your phone. It's easy. It's versatile. It's got cameras so you can see and ...

"Holy [expletive]! writes Joel Johnson, "I've got my own flying drone." He's so giddy, he can barely contain himself. "I'm going to fly a drone! ... I'm basically the CIA and a spaceman all in one ... I'm going to get arrested, and I'm going to be a hero."

...

The politics of beehives might be able to teach our Congressional leaders a little bit about governing.

On three different occasions, the candidate with the most votes didn't become president of the United States. We call this "The Electoral College Problem." Here's a solution. Simple...

Last year a guy in San Francisco jumped on a bicycle, clicked on his GPS, clicked on an app, snapped on his helmet, and 27 miles, two and a half hours and many calories later, he'd ...

A channel on YouTube lets you see what goes on deep in the bowels (excuse the expression) of a natural history museum. There are dead things in jars, drawers and basements, but best...

Everybody knows you need a chicken to lay an egg. Everybody knows you need an egg to produce a chicken. What nobody knows is how the cycle started. Here's a new take, that leans egg...

Drop a cat from a bed, a chair or a tree, and it will do its wriggly thing and land on all four feet. Cats are famous for this. But we've discovered an animal that does it better. M...

Take a boot, take a glove, take a brick, take a pan, take a car roof, spray it with this new nano-tech substance and strange things will happen. Very strange things.

Spielberg's were big, green and scaly. The real ones? They were often rosy, yellow, orange, iridescent, covered with fuzz, plumes, or feathers. Take a look at this latest take on th...

I know you've wondered: What would happen if an irresistible object is launched at an immovable object? Who wins? What happens? Well, here's the answer. It's not what you'd expect.

Just under the iced-over surface of a Canadian lake, white pancake-shaped bubbles stack up in towers. They may look pretty, but they pack an explosive and deadly punch. 

Nathaniel, a young Berkeley biologist, met a beautiful yeast who promised opportunity and adventure, but once they got together, Nathaniel was clumsy, the yeast not what he'd hoped,...

This is the tale of one man's slobbering, very unpretty pet cat, his brave sister, his homicidal yet generous uncle, and what happened one winter night when he was a boy.

In the story The Little Prince, a boy from a tiny planet lands on Earth. The boy is tall, the planet small, and you worry he might fall off. In real life, real Earthlings once had a...

In New Zealand, where they do things differently, middle schoolers are taught statistics, probability and experimental science in an odd way. They explore frustrating supermarket li...

What if I told you that there's a mathematical formula buried deep in living things that tells us — all of us, dandelions, gorillas, sea grasses, elm trees, buttercups — when it's t...

Here's a new way to think about global warming. An interactive map plots how temperatures have changed in any region on the planet since the early 1950s.

A big boxing match usually features two guys, thick with muscle, who know how to bob, weave and use their fists. This bout has two fighters who can't make fists because they don't h...