Also, lucid dreaming; undying dreams of Atlantis; and one form of pricey coffee we will not drink.
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| | Tuesday, December 12, 2023 | | | | |
 | | ILLUSTRATION BY MY BOX, ALAMY STOCK PHOTO | |
Your body feels like it has been shoved into an oven.
It hasn’t. It’s not even warmer. This has been a central riddle of “hot flashes,” reported by up to 80 percent of women during menopause. Women are missing work, changing jobs, and turning down opportunities for advancement because of these symptoms, health experts say.
But maybe not for long. Researchers have figured out the neurons in the brain’s hypothalamus (above, in brown) that create the sensation—and have developed non-hormonal treatment to block them.
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 | | PHOTO ILLUSTRATION BY OSCAR BURRIEL, SCIENCE PHOTO LIBRARY | | | |
 | | PHOTOGRAPH BY ANDREAS PEIN, LAIF/REDUX | | Thanks, no thanks: What’s the secret of these pricey coffee beans? They were partially digested and, as the producers put it, “naturally refined” by the nocturnal mammals known as civets. (Above, clumped together, at Berlin’s Digusting Food Museum.)
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| Hitting close to home: These five lesser-known species may vanish. If they do, we’re all in trouble, says Nat Geo Explorer and photographer Joel Sartore. One animal purifies our water. Another provides a vital food source for three other species (above, the fanshell mussel).
Related: Saving species, saving ourselves | | | |
 | | ILLUSTRATION VIA ISTOCK, GETTY IMAGES PLUS | | | Blame it on Plato: The Greek philosopher never meant for anyone to take Atlantis for real; it was just his fictional counterpoint to Athens. But some tales don’t die, like an advanced civilization that catastrophically vanished (illustrated above). The durable myth has fueled Jules Verne and hippie folkster Donovan, as well as generations of amateur Atlantis hunters. But why? | | | |
Today’s soundtrack: Atlantis, Donovan
Thanks for reading our newsletter! It was edited and curated by Jen Tse and David Beard. We'd love to hear from you: david.beard@natgeo.com.
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