› added 3 years ago

143

TIL: Blood given in an emergency situation is commonly Type O negative. Red blood cells from O- donors can be transfused to anyone, regardless of the person’s blood type. Thus it is always in demand but only 7% of people have it.

Read more oneblood.org

via reddit.com

7rmxp TIL The Battle of Leyte Gulf was, by some criteria, the largest naval battle in history, with over 200,000 naval personnel involved. The Japanese lost 1 fleet carrier, 3 light carriers, 3 battleships, 6 heavy cruisers, 4 light cruisers, 11 destroyers, 300 aircraft, & 12,500 killed
bMw9 TIL in Star Wars: Episode III, Ewan McGregorand Hayden Christensen (Obi-Wan & Anakin) practiced their duel so much and so long that as a result, the speed that Obi-Wan & Anakin duel (in the completed film) is at the actual speed it was filmed. The scene is better known as “The Duel on Mustafar”
1akX8 TIL The Ceratodontimorpha is a "living fossil" fish with a highly specialized respiratory system to switch from gills to real lung when it crawls on dry land. They are also capable of surviving seasonal drying by burrowing into mud, secrete a mucus which encloses them in a cocoon...for years.
epDVL TIL about lipograms: written work in which a particular letter is intentionally omitted. Ernest Wright wrote his 1939 novel Gadsby without the letter "e," and his book was 50,000 words long.
5Y7Rp TIL There is a negative correlation between a man's wealth and his breast size preferences.