oxygen
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Alcohol on Long Flights Could Be a Dangerous Cocktail for Your Heart
Mixing your long plane ride with alcohol could be a dangerous cocktail for your heart, new research out Monday suggests. The small trial found that healthy volunteers experienced a greater drop in their blood oxygen level and corresponding rise in heart rate after drinking alcohol while sleeping in high-altitude conditions than they did without having…
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MOXIE, NASA’s Oxygen-Producing Experiment on Mars, Ends Operations
On April 20, 2021, the spiritedly-named MOXIE experiment on Mars extracted 5 grams of oxygen from the Martian atmosphere, demonstrating a potential future capability of an established human presence on the Red Planet—and in other atmospheres besides Earth’s, for that matter. “By proving this technology in real-world conditions, we’ve come one step closer to a…
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Class Action Suit Claims Apple Watch Is Terrible at Monitoring Blood Oxygen on Dark Skin
A new class action lawsuit claims the Apple Watch’s blood oxygen sensor isn’t formatted to take darker skin tones into account, which is only exacerbating the noted biases of blood sensing tech that has routinely failed to accurately gauge blood oxygen levels for Black and brown people.
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Bacteria Survives in Antarctica by Living on Air and Turning Hydrogen Into Water
Humans have only recently begun to think about using hydrogen as a source of energy, but bacteria in Antarctica have been doing it for a billion years. We studied 451 different kinds of bacteria from frozen soils in East Antarctica and found most of them live by using hydrogen from the air as a fuel.…