300 sperm to fertilize an egg

Roughly 300 sperm dissolve the shell of the egg, but only one falls inside. And if it is defective, the pregnancy won’t develop.

Sherman crab used to detonating land mines in WWII.

Charlie Chaplin at the age of 27, 1916.

Bear saves crow from drowning

Adolf Hitler declaring war on America, December 11, 1941.

Che Guevara, at the battle of Santa Clara, 1958.

Lenin and Stalin at Gorki , 1922

Queen Elizabeth’s aging process shown through banknotes

Soviet POW's starving in a Nazi camp. The Soviet Union lost around 27 million people during the war, about half of all World War II casualties.

The real speed of planes

Nаtive Argentinians taken to Europe to be exhibited as animals in a human zoo, 1889.