› added 4 years ago

162

TIL part of the static seen on analog televisions is cosmic background radiation from the big bang.

Read more universetoday.com

via reddit.com

nWN7G TIL that 97% of the United States is rural.
R5gEw TIL A dentist invented cotton candy
epQnE TIL about Vampire fiction is rooted in the "vampire craze" of the 1720s suspected vampires Petar Blagojevich a Serbian peasant who was believed to have become a vampire after his death and have killed nine of his fellow villagers. The case was the earliest, documented cases of vampire hysteria.
X0XlX TIL that the least densely populated county in the US east of the Mississippi River is Hamilton County, NY with 3 people/sq mi (1.2/km2).
yV5Oa TIL that Gore-Tex is used in surgeries ranging from vascular grafts to synthetic knee ligaments. Also known as Teflon, this material is arranged in a mesh, which allows human tissues to grow through it. The rate of rejection is extremely small due to the material being inert in the body.