› added 3 years ago

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TIL that Dark Energy is calculated to make up 67% of the known universe, while Dark Matter makes up a further 27%, while what we can actually see and measure, conventional matter, makes up less than 5% of our universe. "Dark Energy" is really a placeholder for "we don't know what this is."

Read more science.nasa.gov

via reddit.com

AMXo TIL Plymouth spent $10,000 developing the horn of the 1968 Roadrunner so the car could sound like it’s namesake cartoon character
pYdO4 TIL that in 1965, Jingle Bells was one of the first songs to broadcast from space. Gemini 6 astronauts Tom Stafford and Wally Schirra had smuggled a harmonica and sleigh bells to play the song as a Christmas Prank.
R75r8 Being wary of Friday the 13th is much more than a quaint superstition observed by a few uneducated people in distant, unreachable towns and hamlets. In the United States alone, it is estimated that between 17 and 21 million people dread that date to the extent that it can be officially classified as a phobia.
ZA7G TIL there is an island in Italy that is so haunted no one is allowed to go there. It is called Poveglia, a dump site for plague and black death victims & corpses, and later the site of an insane asylum.
6MOX TIL of Daniel Kish, a man who despite losing his eyes at 13 months is able to navigate the wilderness, mountain bike and recognize buildings as far as 1000 feet away all completely independently through self-learned echolocation