One of the most-asked questions after Radiolab's Inheritance show had to do with the benefits of rat-licking -- or, as Molly Webster explains, how researchers knew it was a mom's behavior, not genes, that was impacting the very DNA of her rat pups.
We start with a pool of oil. We turn on a magnet. The oil travels up a superstructure and blossoms into a tree. Turn off the magnet, the branches, the needles, the tree melt away. It's a puddle again.
Alzheimer's is the disease that creeps in and slowly erases what you know until, eventually, there's no more to erase. How this happens is still a mystery, but this short animation by Po Chou Chi tries to make poetic sense of what goes on.
There you are, hanging with the other pigeons. It's a sunny day. Tranquil. You are taking a bird bath along a river's edge, when suddenly, leaping out of the water onto the land, straight at you — is a fish! A pigeon-eating catfish. (We've got pictures.)
Dashboard video cameras are common in Russia. In case you get bumped into, or bump someone else, insurance companies want to see what happened. So we have a video record of what it's like to drive there. You don't want to see this compilation video. (Oh yes you do.)
Where's the bus? It's supposed to be here by now, but it isn't. You crane your neck. Nothing. And then — miraculously — there's a solution. The bus still isn't here. But something else is.
It's a tombstone like no other. A rough, clumpy hunk of granite, carried across Europe on a sea of ice, dumped in a valley, shipped across the Atlantic, lugged to Massachusetts — all to honor a restless man.
"The President" is a 3,200-year-old giant sequoia that clocks in at 247 feet tall and counting. And contrary to most living things we can think of, giant sequoias grow faster later in life than earlier in life.
It's You Tube's 17th Most Viewed Video of All Time, and the 4th Most Liked, "Somebody That I Used to Know," sung principally by Wouter "Wally" De Backer, also known as "Gotye," who took his clothes off and got a paintjob from designer Emma Hack.
We'll start in a cornfield — we'll call it an Iowa cornfield in late summer — on a beautiful day. The corn is high. The air is shimmering. There's just one thing missing — and it's a big thing...