› added 11 years ago

67

TIL that every human’s DNA is 99.9% the same, and that the last 0.01% is enough to identify different DNA sequences (and tell what DNA belongs to who)

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69AQZ TIL that Northeast Greenland National Park holds the title as the world's largest park. If it were a country, it would rank as the 29th largest by land area.
mGkY TIL most of the posthumous Vietnam War Medal of Honor decorations were awarded to those soldiers who threw their bodies on live grenades to absorb the detonation
Eg0gV TIL that Danny Elfman performed the voice of Jack Skellington when he sang, but actor Chris Sarandon performed Jack's spoken voice in The Nightmare Before Christmas
0wa4y TIL that while kittens will mew for their mother, adult cats only meow at humans, and no other species because animals have their own way of communicating.
nWEvo TIL many of the fundamental elements of modern computers, including windows, hypertext, graphics, video conferencing, the computer mouse and word processors were unveiled for the first time in a single presentation.