› added 11 years ago

272

TIL That living at high altitude can protect you from certain diseases, but increases your risk of suicide… and we’re not entirely sure why.

Read more ncbi.nlm.nih.gov

via reddit.com

wpwY TIL that while abundant in the universe, Helium is a finite resource on Earth and cannot be manufactured. Its use in MRI’s means a shortage could seriously affect access to this life saving technology.
kJ4nm TIL in 1912 4 yr-old Bobby Dunbar disappeared, was found eight months later in Mississippi with a couple that refuted that it was him. Courts ordered the boy to live with the Dunbars. 100 years later DNA verified that the boy was Bruce Anderson and had been wrongly identified by Dunbar's parents
O8Va TIL when the French king Jean II was prisoner of the English, he was allowed to return to France to raise money for his ransom, leaving his son as a replacement hostage. When his son escaped, he voluntarily returned to England, citing reasons of “good faith and honor”.
ADRR7 TIL The average time a woman can hold a secret is 47 hours and 15 minutes.
GYRDg TIL sand is the second most used natural resource worldwide, after fresh water