› added 11 years ago

151

TIL: That a man in the 60’s starved himself for a year under medical supervision and survived. He lost 275 lbs!

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5YbdP TIL horses can't vomit because they have a strong lower esophageal sphincter that acts as a one-way valve, preventing food from coming up.
oRBK7 TIL That the extra set of eyelets near the ankle on athletic shoes have a specific purpose. By using them, you can create a lace lock, which is intended to keep your heel locked in place thereby reducing the chance of blisters caused by excessive rubbing.
OoDO4 TIL: Astronauts left their poop on the moon. They threw out the garbage thinking everything would be sanitized by the solar radiation. Scientists don't know if the microbes in the feces are still alive, but future moon missions will investigate that.
b9eX9 TIL that about 1 in 50 people have Aphantasia, a condition where a person lacks the ability conjure up mental images and they can’t picture things just by thinking about them.
47Pg TIL the difference between hardwood and softwood has to do with how they reproduce, not the hardness of the wood, and that balsa wood - one of the softest woods - is a hardwood.