› added 6 years ago

186

TIL petting a dog can lower your blood pressure.

Read more ncbi.nlm.nih.gov

via reddit.com

l7J9r TIL: the same man invented the Clean Room (CalTech), discovered the true age of the earth (4.5 billion), AND almost single-handedly got lead out of our gasoline and envirnoment. HERO: Clair Cameron Patterson
dD8bK TIL Loons are like airplanes in that they need a runway for takeoff. In the case of loons, they need from 30 yards up to a quarter-mile (depending on the wind) for flapping their wings and running across the top of the water in order to gain enough speed for lift-off.
oBvE7 TIL in Louisiana, a jury can convict a murder suspect with a 10-2 vote.
4XNb6 TIL the most expensive Mega-Project ever was Eisenhower's Interstate Highway System, costing 500 billion dollars, spanning 48,181 miles, and dwarfing the cost of every other Mega-Project in history.
yVjJV TIL Oreos are the imitation knock-offs of Hydrox cookies that debuted four years earlier in 1908.