It’s possible to brush your teeth too aggressively. Doing so can wear
down enamel and make teeth sensitive to hot and cold foods.
Bee wings
Bees have 2 pairs of wings. The wings have tiny teeth so they can lock together when the bee is flying.
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Egypt is home to the largest river in the world, the Nile River.
In 2018 a machine of Microsoft translation system achieved human-level quality and accuracy when translating news from Chinese to English.
Abraham Lincoln was a wrestler and an accomplished one. He lost just one fight out of the 300 he fought. He is in the National Wrestling Hall of Fame.
Ants have no ears, and some have no eyes! Ants “listen” by feeling vibrations from the ground through their feet, and blind ants use antennas to communicate!
Natural enemies of guinea fowls are wild cats, wolves, snakes, crocodiles and humans.
Some duck species, mainly those breeding in the temperate and Arctic
Northern Hemisphere, are migratory; those in the tropics, however, are
generally not.
At least 180 languages are spoken in Brazil.
Guinea fowls were first domesticated by Ancient Romans and are still farmed to this day.
All "cows" are female. Males are called bulls or steer.