"Skepticisms" is the longest word that alternates hands when typing. See more

The thumbnail grows the slowest; the middle nail grows the fastest. See more

Zero point energy is a source of energy which is released when atoms stop moving, at -273 Celcius. See more

The longest one-syllable words in the English language are "strengths" and "screeched". See more

Astronaut Neil Armstrong first stepped on the moon with his left foot. See more

A cat has 32 muscles in each ear. See more

The cockroach has a high resistance to radiation and is the creature most likely to survive a nuclear war. See more

Leonardo Da Vinci invented the scissors. See more

Julius Caesar, Alexander the Great, and Dostoyevsky were all epileptics (aka brain disorder). See more