Transistor

Visual stylometry is a branch of mathematics that can determine the style of a particular artist’s body of work.

Head underground to hear how the first subways were built and how they are built today.

Something unusual happens about a half mile under the sea. Ocean physics create a special zone where sound travels for hundreds, even thousands of miles. Whales use it, and cold warriors plumbed its secrets. Listen in.

For the next few episodes, we’re featuring the Smithsonian’s new series, Sidedoor, about where science, art, history, and humanity unexpectedly overlap — just like in their museums. In this episode: an astronomer who has turned the night sky into a symphony.

For the next few episodes, we're featuring the Smithsonian's new series, Sidedoor. This time, two besties turn into lifelong enemies over a dining room; a researcher embraces the panda craze; and why some dinosaur skulls were built to take a beating.

For the next few episodes, we're featuring the Smithsonian's new series, Sidedoor, about where science, art, history, humanity and where they unexpectedly overlap -- just like their museums. Up first: tales of scientific deception and trickery.

Dancing is something we see in almost every human culture. Yet we are the only animals that make such synchronized movements together to music. Why is that, and what is it about dance that gives us a feeling of togetherness?

Vissarion Shebalin was not a great composer. But his music could unlock an important truth about how the brain processes music and language.

Ancient navigators traveled across the Pacific without the aid of maps or instruments. We'll hear from modern-day navigators in New Zealand, Hawai'i and North America about the techniques used to do so.

Schools are remaking science fairs to include more actual science and less papier-mâché volcanos.