› added 9 years ago

360

TIL if the Milky Way were the size of the United States, our solar system would be the size of a quarter

Read more cfa.harvard.edu

via ift.tt

j6QDp TIL Stephen Crohn has a genetic mutation that makes him immune to AIDS
kJW1g TIL Not everybody experiences the itch of head lice, so not feeling itchy doesn’t mean you don’t have lice. Head lice have learned to adapt and most over-the-counter products are no longer as effective as they once were
Bg1Re TIL in 1861 the balloon Enterprise flew 500 feet above the White House and its pilot transmitted a message to Abraham Lincoln via telegraph.
o4J8 TIL cats kill between 8.3 billion and 24.4 billion birds and mammals each year and have been blamed for the global extinction of 33 species.
9Mop TIL 90% of the top occupations in the U.S. pay only between 18k-34k on average