Scientists just discovered oxygen being produced without sunlight — without photosynthesis — at the bottom of the ocean. This “dark oxygen” could fundamentally change the story we tell of life on Earth and in the rest of the universe.
Guest: Alycia Smith, ecologist at Heriot-Watt University
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Yesterday
What happened before the big bang?
It's a question that seems impossible to grapple with, but scientists won't take no for an answer. In this collaboration with Scientific American, we take on the big bang and a whole bunch of seemingly impossible questions. Guests: Rachel Feltman, host of the Science Quickly podc ... Show More
26m 28s
Sep 14
What's the oldest story ever told?
An astrophysicist uses the motion of the stars to argue that a single story has been told for 100,000 years. A cognitive anthropologist has questions. Guests: Ray Norris, astrophysicist; Manvir Singh, cognitive anthropologist at the University of California, Davis For show transc ... Show More
27m 18s
Sep 2
Stopping the science that could stop the world
When scientists write their own rules for life, how do they know what could go wrong before it’s too late? This is the final episode of our new three-part series, Life from Scratch. Guests: Kate Adamala, associate professor at the University of Minnesota; David Relman, professor ... Show More
36m 12s
Aug 2024
‘Dark Oxygen’ Is Coming from These Ocean Nodules, and We Don’t Know How
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
17m 29s
Aug 2017
Oxygen: The breath of Life
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
26m 57s
Oct 2019
S1E2 - Episode #2 - Oxygen
This week Fergus, Carys and Joe discuss oxygen, the third most abundant element in the universe by mass. Listen to find out about oxygen bars, fire and the ozone layer! Plus a look at science "In The News", the return of "Science Fact or Science Fiction?" and a new game called "S ... Show More
28m 20s