How We Domesticated Cats (Twice)
A 9,500-year-old burial in Cyprus represents some of the oldest known evidence of human/cat companionships anywhere in the world. But when did this close relationship between humans and cats start? And…
Amoc collapse could change Europe’s climate 10x faster than expected.
The system of ocean current that moves heat in the Atlantic Ocean plays a key role in regulating climate. Today’s monitoring of it may be discontinued
NOVA: What is Space Time?
To keep the universe static, Albert Einstein invented something called the cosmological constant. He later abandoned it. Decades afterward, astronomers discovered the universe’s expansion is accelerating—reviving Einstein’s controversial idea. https://www.youtube.com/watch?v=K3AWNs9KnXU
NOVA: Atomic Clocks
Modern life runs on some of the strangest ideas ever discovered.
Scientists discovered a new species of octopus—and it’s tiny and blue
This tiny octopus was found on the deep seafloor off of the Galápagos Islands and left scientists awe-struck. The teensy blue octopus is an entirely new species, now called Microeledone…
The Second-to-Last Mammoths Ever
About 5,700 years ago, on a small, isolated island off the coast of Alaska, a herd of woolly mammoths crossed a treeless tundra.
Punch Card Archive
Punched cards were once a ubiquitous part of accounting, data collection and early computing. At their peak of use, in the 1950s and 60s, hundreds of companies around the world…
In Our Time: M.C. Escher
Misha Glenny and guests discuss the work of Maurits Cornelis Escher (1898-1972), the graphic artist and printmaker best known for his impossible buildings, paradoxical perspectives, and repeating geometric patterns. Born…
Craft in America: Science
Nature, space, algorithms, and more serve as inspiration for artists connecting their work to the world around them, from the Santa Clara Pueblo in New Mexico to the computer science…
PBS Eons: There’s No Single Cradle of Humankind
It would take decades for paleontologists to realize that maybe there wasn’t just one so-called "cradle of humankind," and realize that maybe they’d been asking the wrong question all along.