🔥🔥🔥🔥youtu.be/MYShJtKqePY

The #acceptance rate for NASA's astronaut applications in 2015 was .08%

The largest pretzel in the world weighed 842 lbs. #NationalPretzelDay

The Tetris theme song is actually a 19th-century Russian folk song called "Korobeiniki."

In 1891, Juan Vucetich, an Argentine Police Official, made the first criminal fingerprint identification.

Humans spend a third of their life #sleeping. That's about 25 years.

Every minute, more than 100 hours of video are uploaded to YouTube.

Chimpanzees can identify each other from pictures of their butts.

Sea otters have skin pockets where they keep their favorite rocks to use for crushing seashells.

The world's largest gold bar weighs 250 kg (551 lb).

Still-beating hearts of live cobras are eaten as a delicacy in Vietnam.

"Hello" didn't become a greeting until the #telephone arrived.

The man who invented pop-up ads has apologized to the world for creating one of the Internet's most hated forms of advertising.

The first CD pressed in the US was Bruce Springsteen's "Born in the USA."

A world record for the longest conga dance line was set by 119,986 people in Miami in 1988. #InternationalDanceDay

Every year, Walt Disney World's "Lost and Found" collects more than 6,000 cell phones, 3,500 digital cameras, and 18,000 hats.

Approximately 92.4% of teachers spend their own money on their students or classrooms. #TeacherAppreciationWeek

On this day 49 years ago. Martin Luther King Jr. was murdered in Memphis, TN. His impact has not been and will never be forgotten.