Plus, good news for the Earth's ozone layer
| | Thursday, January 12, 2023 | | | | |
 | ALBUM
| | Blown off course, the Vikings sailed past an island of flat stones, past a stretch of coastal forests and pristine beaches, and then to the mystical Vinland.
These Norse explorers, centuries before Columbus, left evidence of just one settlement, on the tip of Newfoundland, but discoveries buttressing old sagas have abounded in recent decades. Among them: contacts—or clashes—with the First Nations.
Questions, too, have grown. There certainly were more settlements. But where? And where are the burial grounds? Remnants of the Norse structures show they were burned—but why, or by whom?
Read the full story here.
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 | | UIG/ALBUM (LEFT) AND AGE FOTOSTOCK (RIGHT) | | | A sign: At top, a 19th century painting depicts Leif Eriksson sighting the continent of North America. Above left, a ninth century coin, likely minted in Denmark, depicting a Viking longship. Right, an 11th-century Norse silver coin that was discovered at a U.S. archaeological site in Maine in 1957. It may be proof of First Nations communities far south of Newfoundland trading with the early Norse settlers. Read more. | | | |
 | | PHOTOGRAPH BY NORIKO HAYASHI | | | |
| Battling zombies: Larry Beck, 77, is rolling the dice. A decade ago, he was diagnosed with mild cognitive impairment and last year he enrolled in an experimental treatment for early stages of Alzheimer’s disease. The new approach? To attack “zombie” cells that never die in your brain—instead of targeting signature brain plaque that develops as a result of Alzheimer’s. (Above, physician Samantha Rogers extracts Beck’s spinal fluid as part of the trial.)
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| The other snowbird: The water is warm and tranquil, perfect for the manatees wintering in Blue Springs Park in Central Florida. During these colder months, visitors can only view manatees from afar—no one is allowed to swim or boat—and the efforts are paying off. Nat Geo Explorer Erika Larsen photographed one of the some 800 manatees (shown above) that now congregate in the springs—a dramatic increase from the 36 in 1980.
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Today’s soundtrack: Zombie, The Cranberries
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