It took three years of constant printing to complete Johann Gutenberg's famous Bible, which appeared in 1455 in two volumes, and had 1,284 pages. He reportedly printed 200 Bibles, of which 47 still exist.
Besides Earth, only Jupiter, Saturn, Uranus, and Neptune have known magnetic fields.
Two phobias for the price of one -- a person who has an irrational fear of childbirth can be said to be either maieusiophobic or tocophobic.
While awake, hummingbirds must eat at least every 30 minutes or they will starve to death. They need to eat 2.5 times their body weight every day — this takes hundreds of flowers everyday.
On September 15, 1830, British MP William Huskisson attended the grand opening of the Liverpool and Manchester Railway. Visitors boarded the Northumbrian, which had stopped to take on water. Against instructions, the ...Read More
Honeybees navigate using the sun as a compass, even when it is hidden behind clouds - they find it via the polarization of ultraviolet light from areas of blue sky.