› added 11 years ago

85

TIL Suffixes and prefixes are both kinds of affixes, but there are also nine other categories

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XEvW8 TIL That when flying in formation flight, induced drag is significantly reduces by 81% with up to 25 wings in a V-shaped formation. This is often seen in migratory birds which help them fly longer by saving energy.
xVlY7 TIL a child is 16 times safer riding to school in a school bus than in a family vehicle
MeBV7 TIL The original name of the Bill & Melinda Gates foundation was the Bill & Melinda Gates Institute for Population and Reproductive Health
lAx5 TIL that crows (and other corvids) can remember individual human faces, hold grudges against us, and teach their crow brothers and sisters to dislike us too.
yV5Y8 TIL the term log comes from determining the speed of a ship. A "log" was put into water tied to a rope and they measured "knots" to see how far they traveled. A person who timed things would write down the measurements in a notebook. This is why it is called a "log" book.