Dark oxygen could rewrite Earth’s history

Socrates, Aristotle, Galileo, and Darwin couldn't figure it out. But one scientist has built a tickle robot (named Hektor) to try and settle the mystery of ticklishness once and for all. Guest: Konstantina Kilteni, principal investigator of the Touch & Tickle Lab at the Donders I ...  Show more

You know that feeling when time and space melt away and new ideas seem to flow through you? Neuroscientist Heather Berlin explains what we know about how creative flow states might change the way the networks in our brains interact. Guest: Heather Berlin, author of The Fine Art o ...  Show more

Two miles below the Pacific Ocean, scientists have discovered something impossible: rocks that generate electricity and produce oxygen without sunlight. These ancient metallic "batteries" could be the original source of Earth's oxygen - before plants or algae existed.The CIA has ...  Show more

Polymetallic nodules litter a stretch of ocean between Mexico and Hawaii. They contain metals, such as manganese and cobalt, that mining companies want to use for battery production. Researchers recently found that these seafloor blobs might make their own oxygen—and no one knows ...  Show more

Oxygen appeared on Earth over two billion years ago and life took off. Now it makes up just over a fifth of the air. Trevor Cox, professor of acoustic engineering at the University of Salford, England, tells the story of oxygen on Earth and in space. Without oxygen, there would b ...  Show more