The Truth Behind Legendary Old West Gambling Gunslinger Doc Holliday

No Conscience

Despite his predilection for violence, Holliday was known to be an even-tempered man. Once, during an interview, Holliday was asked if his conscience ever bothered him. “I coughed that up with my lungs years ago,” he said. Soon afterward, he ran into the man that would define his future: Wyatt Earp.

The More You Know

You can hear a blue whale's heartbeat from more than 2 miles away.
War pigs were used in ancient warfare to counter against war elephants, which feared the pigs (and their squeals) and would bolt. War pigs were sometimes lit on fire to enhance this effect.
Fleas can jump up to 100 times their body length.
But the loudest animal relative to its size is a water bug.

Post originally appeared on Upbeat News.