› added 7 years ago

142

TIL Takeout coffee cups are not recyclable and billions are wasted every year

Read more bbc.co.uk

via ift.tt

9YjXD TIL the Space Shuttle had a glide ratio of 4.5:1, which is only slightly better than a helicopter with an engine failure (4:1).
yQGv8 TIL that in the 50's NASA recruited Deaf people to research why they didn't get motion sickness. Tests included flights in 'Vomit Comet' and sailing in the rough seas (researchers got violently sick, while Deaf people just played cards happily).
yVYDp TIL that Redbad, the last pagan King of Frisia (modern-day northern Netherlands), refused to convert to Christianity, choosing to spend eternity in Hell with his ancestors rather than in Heaven with beggars.
BYOL TIL that octopuses usually have 8 arms and 0 tentacles because cephalopod “arms” have suckers along most of their length while tentacles only have suckers near the ends.
pYWBb TIL about starfish use hydraulic systems to move themselves around