› added 8 months ago

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TIL There's an active US Coast Guard vessel that originally belonged to Nazi Germany.

Read more wikipedia.org

via reddit.com

YYKZ TIL that deoxygenated blood isn’t blue, but actually dark red. Light refraction causes deoxygenated blood to appear blue.
0LR TIL the Pentagon is making their own version of Reddit for the military
b6MAQ TIL that the Luxor Sky Beam in Las Vegas is the most powerful manmade light in the world. It is visible from up to 275 miles away, and temperatures of 500 °F have been recorded just above the light's surface. Airline pilots often use it as a landmark for navigation when flying at night.
Yx1d TIL Disney studios used a multiplane camera which moves a number of pieces of artwork painted on glass past the camera at various speeds and at various distances from one another to create a three-dimensional effect.
J80v TIL Dire wolves actually existed, living up to 10,000 years ago before going extinct.