› added 9 years ago

79

TIL that the tiny white dots you can see when looking at a bright blue sky are actually white blood cells moving in front of the retina.

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wo60E TIL Eating cold or light meals in the summer heat might seem like a good idea, but your body actually uses more energy to digest it! So it's better to have a full, hot meal!
6lJ8 TIL Land Rover’s first design had the steering wheel in the middle so it could be used in left or right side driving counties without modifications.
WkX84 TIL of Gad Beck, a Jew who borrowed a neighbour’s Hitler Youth uniform in 1942 and snuck into a pre-deportation camp to rescue his lover, Manfred Lewin. He got Lewin released by lying to the camps CO. Outside, Lewin said he couldn’t abandon his family and went back. Lewin and his family all died.
Ka6B TIL a Greenland shark was tagged off Greenland in 1936 and recaptured in 1952. Its measurements suggest that Greenland sharks grow at a rate of 0.5–1 cm (0.2–0.4 in) per year, thus the largest individuals may live about 200 years, making them among the longest-lived vertebrates on Earth.
8av14 TIL Aaliyah maintained a perfect 4.0 GPA through her graduation from high school, saying "I don't want kids to think, 'I can just sing and forget about school.' I think it's very important to have an education, and even more important to have something to fall back on."