› added 5 years ago

75

TIL about hypnagogic hallucinations: Visual, tactile, auditory, or other sensory events that occur at the transition from wakefulness to sleep

Read more wikipedia.org

via reddit.com

BmDe TIL that a parasite, Toxoplasma Gondii, can change rodent behaviour by reducing their ability to sense feline predators making them easy prey. The parasite can then pass from rodent to cat and then cat to human.
X05W6 TIL that visitors to the Grand Canyon National Parks Museum were exposed to unsafe levels of radiation for nearly two decades due to uranium ore being improperly stored in 5-gallon paint buckets next to a taxidermy exhibit
yV7ov TIL 37 is the most common number people choose when asked to think of a random number between 1 and 100 (according to the Stanford / MIT Jargon file)
Wknnd TIL Apollo astronauts did not have a space toilet. They had a plastic bag with an adhesive rim which they stuck to themselves. After relieving themselves, they had to add disinfectant to the bag and knead it by hand until thoroughly mixed.
b9dvZ TIL of the ABC Islands bear, a unique subspecies of grizzly bear found on Admiralty, Baranof and Chichagof islands in Southeast Alaska (known as the ABC islands) Isolated from the mainland these bears look similar to grizzlies but have a unique DNA structure that relates them brown and polar bears