› added 5 years ago

186

TIL The previously unknown glymphatic system was first described in 2012. Previously, scientists did not fully understand how the brain, which maintains its own closed ecosystem, removed waste. During sleep, a system of plumbing pumps cerebral spinal fluid (CSF) through the brain to wash away waste

Read more medicalxpress.com

via reddit.com

KYAna TIL worms survived NASA's Columbia Shuttle Disaster
logLV TIL: David Bowie had a cameo in the (largely Monty Python) film "Yellowbeard"
RV6l TIL in 2013 a heatwave of 86°F killed 760 people in Britain.
wLAxJ TIL For the 1939 World Fair, Pontiac Built A clear plexiglass car for $25,000. Sold at auction in 2011 for $308,000.00.
O1jL TIL that Olympus Mons on Mars, the tallest known mountain in the solar system, is so large at its base that an observer on its peak wouldn’t know he was standing on a mountain because its slope would be obscured by the curvature of the planet itself.