› added 5 years ago

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TIL with the exceptions of manatees and sloths, all mammals have 7 cervical vertebrae, or neck bones.

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XEmWE TIL that the United States has officially been in a continuous state of emergency since the September 11th Attacks.
R7l6Q TIL in 1978 British explorer Tim Severin proved it was possible for a 6th century Irish boat clad in leather to make the journey across the Atlantic from Ireland to North America. This was done to test if St. Brendan the Navigators described journey across the Atlantic was possible at the time.
wQrP TIL Satellites before the advent of digital imaging used standard film reels, which were recovered by dropping them from space and catching them mid air in a passing aircraft.
xV1Zk TIL that writing notes by hand causes you to remember the material better than typing it on a computer. This is because when writing by hand, people tend to process the material in depth, rather than just transcribe it verbatim.
Oo7v4 TIL that Ethan Zuckerman, the man who invented pop-up ads has apologized to the world for creating one of the Internet's most hated forms of advertising.