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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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