Psychedelics may boost mental health by dampening inflammation

Psilocybin, a psychedelic drug found in some mushrooms, may reduce inflammation Shutterstock / Kyrylo Vasyliev Psychedelic drugs may improve mental health in part by reducing inflammation. In mice, psychedelics reversed signs of anxiety and an accumulation of inflammatory immune cells around the brain, potentially explaining why these drugs have shown promise in treating mental health…

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Scientists Use Ancient Chinese Poetry to Study Endangered Yangtze Porpoise

Ancient Poems Reveal the History of the Endangered Yangtze Porpoise Mentions of the critically endangered Yangtze finless porpoise in ancient Chinese poetry have revealed missing information about the habitat of the world’s only freshwater porpoise By Gennaro Tomma edited by Andrea Thompson Yangtze finless porpoise. Around 1745, Chinese emperor and poet Qianlong was sailing on…

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Cuttlefish May Communicate with Discolike Arm Gestures

Cuttlefish May Communicate with Discolike Arm Gestures Scientists identified four arm wave signals cuttlefish use: “up,” “side,” “roll” and “crown” By Chris Simms edited by Sarah Lewin Frasier Researchers observed the common cuttlefish (Sepia officinalis) routinely wave its arms in four flashy gestures. Cuttlefish wave their expressive arms in four distinctive dancelike signals—potentially letting them…

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Ireland’s iconic megalithic tombs may have had an unexpected function

The megalithic graveyard of Carrowkeel in Sligo, Ireland scenicireland.com/Christopher Hill Photographic/Alamy Ireland’s megalithic tombs might not have been burial grounds for elite dynasties, as some thought, but rather places of community bonding. In 2020, researchers found genetic links among dozens of people in ancient tombs scattered across Ireland and evidence of incest in a man…

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