Drug dealers are mixing xylazine, an animal tranquilizer relied on by veterinarians, into fentanyl, with deadly results. But controlling it is tricky.
Tag: your-feed-science
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Your Hair Is Going Gray. This Glitch May Explain Why.
Experiments using mice found a malfunction in adult stem cells that offers insights into why we turn into silver foxes and vixens.
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U.S. Authorizes a New Round of Covid Boosters
Older Americans and those with weakened immune systems, groups still particularly vulnerable to the virus, may receive additional shots of the reformulated vaccine, federal officials said.
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Abortion Pill Maker Sues F.D.A. to Protect Drug if a Court Orders It Off the Market
The suit by GenBioPro, the generic maker of mifepristone, is the latest strand in the intense legal battle over abortion pills.
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From Bullets to ‘Bird Residue,’ the Many Trials of Telescopes
Before an observatory can plumb the secrets of the cosmos, it must navigate more humbling challenges.