In 1967, the first successful heart transplant was performed in Cape Town, South Africa. | The largest ketchup bottle is a 170 feet (52 m) tall water tower. | A spider's silk is stronger than steel. | Honeybees navigate by using the sun as a compass. | John Wilkes Booth's brother saved the life of Abraham Lincoln's son.
A year from now you will wish you had started today.
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