Believe It Or Not, These Aren't Actually Design Flaws

Holes in Airplane Windows

If you travel enough, you'll learn all about the unique quirks on airplanes. If you look closely, all airplane windows have small holes in them. That's so the cabin pressure can always be regulated. 

The Neck on Soda and Beer Bottles

Did you know that gripping a bottle around its neck is actually more secure than holding it around the body? The problem with holding the bottle around the body is that the heat from your hand quickly transfers to the drink. That's not the case if you hold it by the neck.

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The More You Know

  • If you take all the letters from the word "wizard" and swap them with opposite letters (a->z, b->y), it spells wizard backwards.
  • A nondescript shampoo or lotion bottle is the perfect disguise for a beachside carryall.
  • Great white sharks are so scared of killer whales that they'll avoid an area for up to a year after spotting one.
  • Keep elastic hair bands in one place—not scattered in drawers or in the bathroom sink or all over the floor. Slide them onto an empty toilet paper roll, which can then be neatly tucked into a drawer.
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Post originally appeared on Upbeat News.