Allodoxaphobia is the fear of opinions.
Hummingbirds are so agile and have such good control that they can fly backwards.
A candle's flame is round and blue in zero gravity.
Phobophobia is the fear of having a phobia.
The band name *NSYNC was derived from the last letter of five band member's names - JustiN, ChriS, JoeY, JasoN, JC.
Each day, up to 4 billion meteoroids fall to Earth.
The darker the color of the alcoholic drink, the worse your hangover will be.
Bill Gates and other investors have secured a "doomsday seed vault" that contains Earth's life in case of apocalypse.
Dogs have three eyelids. The third lid, called a nictitating membrane or "haw" keeps the eye lubricated and protected.
Ostriches can run faster than horses, and the male ostriches can roar like lions.