Fact of Fiction: Science Tackles 58 Popular Myths by Scientific American Editors

By Scientific American Editors

Truth or Fiction: technology Tackles fifty eight well known Myths by way of the Editors of medical American

Did NASA relatively spend hundreds of thousands making a pen that might write in house? Is chocolate toxic to canines? Does rigidity reason grey hair? those questions are only a pattern of the city lore investigated during this e-book, truth or Fiction: technology Tackles fifty eight renowned Myths. Drawing from medical American’s “Fact or Fiction” and “Strange yet actual” columns, we’ve chosen fifty eight of the main fantastic, interesting, priceless and simply simple wacky themes faced via our writers through the years. each one short article uncovers the reality in the back of daily mythology, beginning with part One, “In the Animal Kingdom,” the place we study a few of the extra outlandish claims approximately our fellow earthly population, reminiscent of even if elephants fairly have in mind every little thing and even if a cockroach can dwell with no its head. different sections hide copy, the surroundings, expertise and private and psychological well-being. whereas the solutions to a couple questions, comparable to even if bogs relatively do flush within the wrong way south of the Equator, might simply serve to elevate your Trivial Pursuit wisdom, others, corresponding to even if to pee on a jellyfish sting or wake a sleepwalker, might turn out to be useful. even supposing this booklet represents a fragment of circulating folks knowledge and concrete mythology, we are hoping that it’s an stress-free fraction and that it encourages you to perform a little debunking your self.

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He left the area in 1969 to write his thesis and did not return again for four years. But when he came back, he says, it was as though he'd never left. "She came right back up to me and behaved the same way," he says, noting that they resumed their friendly strolls. "They're long-lived animals, and memory would be a benefit to a long-lived animal, making it more adaptive to circumstances," Douglas-Hamilton says. " So the next time someone says you have a memory like an elephant, take it as a compliment.

But the phenomenon has emerged from the backwaters in recent years, primarily as a tool for science. Some scientists hope to exploit the phenomenon to get around ethical concerns surrounding embryonic stem cell research. They can fool an unfertilized human egg to divide by pricking it, thereby simulating the penetration of sperm. Such deceived eggs continue dividing into the blastocyst stage of 50 to 100 cells before petering out naturally. In principle, it may be possible to keep that cell dividing.

Sixteen of 81 calves born in the park that year died in a nine-month period, a 20 percent mortality rate, much higher than the typical 2 percent; 10 of the dead were from the group that remained in the park, where feed and water were scarce. Researchers concluded that the older elephants recalled a drought in the park that lasted from 1958 to 1961, and how their packs survived the slim pickings by migrating to lusher areas a distance away. None of the elephants that stayed behind were old enough to remember the previous dry spell.

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