21. Whenever we sleep in unfamiliar surroundings, only half your brain is getting a good night’s rest while the other half stands guard.
22. Babies can acquire sign language just like they would acquire any language and follows the same patterns as vocal language acquisition, where deaf infants (if exposed to sign language early) start to “babble” 1-2 sign sentences around the time their hearing counterparts start to “babble” words.
23. Mexico was the only country to protest against the German annexation of Austria
24. There is a clear ceramic made out of Aluminum that is stronger than bulletproof glass, and has a higher melting point than stainless steel. It is called ALON, and is used for armored windows
25. The USS New York is a ship in the US Navy forged partially from steel that was salvaged from the World Trade Center after it was destroyed in 9/11. The ship’s motto is “Strength forged through sacrifice. Never forget.”
26. Oxford University is so old that they don’t even know when exactly it was founded and that the earliest evidence of teaching there goes back to 1096.
27. Theodore Roosevelt’s daughter Alice had a pet snake named Emily Spinach. She liked to carry it around the White House in her purse and take it out at unexpected moments.
28. Eight years after JFK’s assassination, Jackie Kennedy avoided the public unveiling of their White House portraits, but the Nixons graciously agreed to a secret, private tour for her and her kids. It was her only return visit
29. Aquariums aren’t allowed to pay to get animals from other aquariums as it encourages poaching. So there is a barter system in place where they swap animals. A New England aquarium traded a dozen penguins for 800 mackerel and their basic unit of trade is the jellyfish
