Elvis Presley never wrote any of his songs — he was almost entirely a performer.

Rowing is considered one of the most physically demanding Olympic sports, requiring near-maximal effort for about 6 minutes.

Atoms are 99.9999999999999% empty space — if an atom were scaled to the size of a football stadium, its nucleus would be a marble at the center.

Abraham Lincoln was a licensed bartender and co-owned a tavern before entering politics.

Statistics and probability were developed partly to analyze gambling — Pascal and Fermat corresponded about dice games in 1654.

Usain Bolt holds the world record in the 100-meter sprint.

Particles can exist in multiple states until observed.

Project Blue Book investigated reports of unidentified flying objects.

Calligraphy is considered one of the highest art forms in East Asian, Middle Eastern, and European medieval traditions.