French astronomer Adrien Auzout had once considered building a telescope that was 1,000 feet long in the 1600s. He thought the magnification would be so great, he would see animals on the moon.

Christian Barnard performed the first heart transplant in 1967 – the patient lived for 18 days.

A swordfish can live as long as 25 years and weigh up to 1,200 pounds.

AMAZING FACTS