Does life really exists in Mars?
A Day With Edison
Thomas was one of the greatest inventors ever. Among his more than 1,000 inventions were the record player (called a phonograph) and the electric light bulb. In 1922 filmmakers recorded a day in his life.
Sperm Whales
Did You Know: Sperm whales can dive to depths of 1,000 to 2,000 m (3,300 to 6,600 ft)
Sperm whales have the largest brains of any mammals.
Sperm whales have a spermaceti organ thought to aid in diving and in echolocation.
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