Do Polar Bears Get Lonely? by Mick (ed) O'Hare

By Mick (ed) O'Hare

"Do Polar Bears Get Lonely?" is the 3rd compilation of readers' solutions to the questions within the 'Last notice' column of "New Scientist", the world's best-selling technological know-how weekly. Following the exceptional good fortune of "Does whatever consume Wasps?" (2005) and the much more spectacularly profitable "Why do not Penguins' ft Freeze?" (2006), this most up-to-date assortment incorporates a bumper crop of clever and lovely solutions by no means ahead of obvious in publication shape. As ordinary, the best questions frequently have the main complicated solutions - whereas a few that appear the knottiest have extremely simple causes. "New Scientist"'s 'Last be aware' is often voted the magazine's most well liked part because it celebrates all questions - the trivial, idiosyncratic, baffling and unusual. This all-new and eagerly awaited choice of the easiest back offers well known technology at its such a lot pleasing and enlightening

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And more people are always welcome. com/lastword). There you can join in the forum, read the blog, or simply offer your knowledge in answering some of life’s astounding conundrums. You may even become the star of the next book! In the meantime enjoy this one, in which we seem unduly concerned by thirst—you can find out in chapter 5 whether fish, sharks, or spiders get thirsty and, along the way, satisfy your own thirst for the world of scientific trivia. MICK O’HARE A big thank-you is due to Jeremy Webb, Lucy Middleton, Ivan Semeniuk, the production, subbing, art, Web, press, and marketing teams of New Scientist, James Kingsland, Frazer Hudson, and Paul Forty and Andrew Franklin among many people at Profile Books for their tireless efforts in the creation of this volume.

And why do they persist until the tube is used up? Miles Ellingham This is one of those simple inventions that has been helping manufacturers to sell toothpaste for decades. S. patent number 2,789,731 and UK patent 813,514, both in the name of Leonard Lawrence Marraffino. He licensed his invention of striped toothpaste to Unilever, and this company subsequently marketed the first commercial version, which was called Signal in the United Kindom and Stripe in the United States. When the tube was squeezed it produced red stripes on white toothpaste.

Tiny holes once again deliver this paste onto the surface of the white paste. Tom Jackson Another way to create striped toothpaste is to pack columns of different colored pastes side by side in a vertical dispenser. The pattern is reasonably well preserved even when its diameter is reduced as the pastes are squeezed and forced through the hole at the top of the tube. However, unless you use a pump dispenser, the action of squeezing the tube tends to mix up the stripes. aspx). —Ed. MONEY BAGS When my bank debit card doesn’t work when swiped, some gas stations seem to have an ingenious and effective solution.

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