
From The Guardian: “For years, scientists have known that several species spontaneously align their bodies with the earth’s magnetic field when engaging in certain behaviours. A team of 12 scientists from universities in Germany and the Czech Republic came together in a unique study that observed 37 breeds of dog over a two-year period. Exactly 1,893 defecations and 5,582 urinations later, the team reach one incredible finding: “dogs preferred to excrete with the body being aligned along the north–south axis.” Dogs join cattle, roe deer, red deer, hunting red foxes, red foxes, coyotes and grey wolves as yet another mammal to have a mechanism of “magnetoreception.” Although their behaviour was only evident under calm conditions, it was a breakthrough in demonstrating changes in dog behaviour in response to the Earth’s magnetic field.”
Scientists still aren’t sure exactly how the world’s most popular pain reliever works

From Scientific American: “You’re unlikely to open a medicine cabinet in the U.S. without seeing a bottle of Tylenol, the brand name of a pain reliever and fever reducer also sold generically as acetaminophen. A health care trade association estimates that 52 million consumers use a product containing acetaminophen every week in the U.S. The drug is in the news after Robert F. Kennedy, Jr., head of the Department of Health and Human Services, implied that acetaminophen that is taken when a person is pregnant can cause autism in that person’s offspring. His statements run counter to the most conclusive scientific evidence to date. The drug is safe and effective when used as directed, but there is something surprising about it: no one is certain how acetaminophen works to relieve pain and fever. There are at least two theories about the mechanism of the drug, which was first synthesized in the late 1800s, but debate continues.”
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