› added 11 years ago

166

TIL only 31% of college graduates know that nitrogen makes up most of the Earth’s atmosphere.

Read more people-press.org

via reddit.com

oBKjo TIL that Russia gave the United States a memorial to the victims of 9/11
ADxQx TIL In a sneeze, high velocity of the airflow is achieved by the buildup of pressure inside the chest with the vocal chords closed. Sudden opening of the cords allows the pressurized air to flow back up the respiratory tract to expel the irritants
pbpA TIL that the Supreme Court says ignorance of the law is no excuse - unless you’re a cop.
rpQ0 TIL that the Battle of the Persian Gate was an almost exact role reversal of the Battle of Thermopylae. A small group of perhaps 300 Persians held Alexander’s army at a checkpoint. After killing legions of Alexander’s men, they were ultimately surrounded and slaughtered.
d8yZ TIL that Bill Gates flew coach almost exclusively until 1997. When he finally acquired a corporate jet, he bought it with his own money, not Microsoft’s.