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☆ Chinstrap penguins survive on more than 10,000 naps a day, study finds
  + stars: | 2023-12-01 | by ( Amarachi Orie | ) edition.cnn.com   time to read: +7 min
CNN —The art of nodding off appears to have been mastered by breeding chinstrap penguins, who take more than 10,000 naps a day, with each nap lasting an average of four seconds, according to a new study. They observed that the penguins in the colony engaged in more than 600 bouts of microsleep an hour. A 1986 study found captive, nonbreeding emperor penguins to have fragmented sleep called “drowsiness,” which also resembles the microsleep pattern of the breeding chinstrap penguins. He added that through these short bursts of sleep the penguins could “sleep and remain vigilant” while incubating. “I think that’s why it’s important to study sleep.
Persons: King George Island, ecophysiologist Paul, Antoine Libourel, ” Libourel, Federico Anfitti, Libourel, “, they’d, ”, Christian Harding, Vladyslav Organizations: CNN, Neuroscience Research, of Lyon, University of California, University of Oxford Locations: France, South Korea, Germany, Antarctica, “, microsleeps, San Diego
☆ Zapping a rodent's brain can put it into suspended animation. Scientists want to one day use the same technique for humans traveling to Mars.
  + stars: | 2023-06-04 | by ( Marianne Guenot | ) www.businessinsider.com   time to read: +7 min
The rats' body temperatures also dropped, though to a lesser level, up to 3.57 F (2 C). If they were able to crack the science of suspended animation, it could make space travel safer and cheaper, especially for long-haul flights like the 16-month-long round trip to Mars. A single astronaut eats about 30 kilograms (66 pounds) of food and water a week, but their consumption could drop by 75% in suspended animation, per the BBC. One avenue to induce suspended animation is to cool the body down dramatically. Nevertheless, most of the research into long-ranging suspended animation is still only being done on animals, and we're likely still a long way away from testing it on humans.
Persons: —, Hong Chen, Chen, Yang, Yuan, Nat Metab, John Bradford, Spaceworks, Kaisa, Vyazovskiy Organizations: Service, Privacy, NASA, European Space Agency, ESA, Washington University, BBC, Astronauts, SpaceWorks Enterprises, CNET, University of Oxford Locations: et, Mars, torpor
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