› added 1 year ago

239

TIL Bells on collars seem to reduce the amount of prey caught by 50%+.

Read more mcgill.ca

via reddit.com

d8ZDj TIL over 500 million Indians(out of 1.4 billion) are considered open defecators, which means they defecate outside and not in a toilet
d8YPj TIL about the "Theremin", a musical instrument that you play without physically touching it. By moving your hands closer or away from two metal antennas, you alter the theremin's surrounding electromagnetic fields and the interference causes an audible sound.
OLEe TIL that during sleep cerebral spinal fluid flows through the brain on the OUTSIDE of the brain’s blood vessels and that the CSF removes brain cell waste including amyloid beta protein. This flow only occurs during sleep. Amyloid beta protein buildup is involved in alzheimer’s.
XEx5E TIL that there is rust on the moon due to oxygen leaking from Earth and reacting with water on the Moon
LkP8p TIL After almost 50 years of use and dubbed as the largest landfill in the world, the Staten Island NY landfill has slowly coming back to life as a park (Freshkills Park). The bucolic rolling meadows conceal a topography that's made entirely of garbage.