› added 9 months ago

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TIL that swinging our arms when walking makes us spend less energy and walk faster than if we tried to hold them still.

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wL5YJ Zoos and Science Museums are giving species 'Amazon Reviews' on Twitter.
AaVd TIL time-travel, faster-than-light travel and “sliding between parallel worlds” are theoretically possible if there are multiple time dimensions.
Woj8 TIL Duct tape is significantly more effective (85% vs 60%) than cryotherapy for removal of the common wart.
x68Xw TIL that a high school student exposed the King of Belgium's illegitimate daughter. Mario Daneels, 18 years old, wrote a biography of Queen Paola, wife of Albert II, in 1999 which revealed the secret. The embarrassing book appeared as Albert's heir Philippe (the current king) was about to marry.
WkjwN TIL that the pen caps have holes in them to prevent suffocation, in case they were swallowed. As roughly 100 people die in the US each year from choking on pen lids