in 1947, the Canadian town of Snag, Yukon, saw a temperature of -83F (-64C). It was so cold, you could hear people speaking 4 miles away, along with other phenomena such as people's breath turning to powder and falling straight to the ground and river ice booming like gun shots.

Robert De Niro paid a dentist $5,000 to have this teeth ground down to look more menacing for Cape Fear. He later paid $20,000 to have his teeth restored once production was complete.

a woman flying from Manchester to Florida had a heart attack during the flight and when the stewardess asked for help 15 cardiologists came to save her. They were flying to a cardiology conference.

Saudi Arabia accidentally printed thousands of textbooks containing this image of Yoda sitting next to King Faisal while he signed the 1945 UN charter.

the Cherokee writing system was made by one man, Sequoyah. It's one of the only times in history that someone in a non-literate group invented an official script from scratch. Within 25 years, nearly 100% of Cherokee were literate, and it inspired dozens of indigenous scripts around the world.

Officials went to congratulate Sogen Kato, the oldest living man in Tokyo, on his 111th birthday. Upon arriving to his house, a mummified body wearing underwear and pajamas was lying in his bed. He had been dead for 30 years but his family kept the secret to keep receiving his pension.

that free divers' heart rates can drop as low as 11 beats per minute(as low as that of diving seals, whales and dolphins), in order to preserve blood-oxygen levels.

more than 300 million people globally don’t have a single friend, according to Gallup data.

the first known résumé was written by Leonardo da Vinci, when applying to be a military engineer for the Duke of Milan. It's mainly just a list of his designs for siege weapons (including trebuchets). He briefly mentions his art: "In painting, I can do everything possible." He got the job.

the game Oregon Trail was developed by 3 college students trying to teach history creatively. The first version was coded in just 10 days in 1971 and played by middle schoolers for 5 days. The code was given to an educational nonprofit in 1974, and the creators never profited from the game.

that cats are more vocal with humans than with other cats.

a school social worker noticed a young Jimi Hendrix's habit of emulating a guitar with a broom and attempted to get school funding to buy him a guitar. Her request was denied.

Missy, a 100lb injured dog abandoned by her owner on Mount Bierstadt in Clear Creek County as a storm closed in, found by hikers a few days later who treated her but couldn't rescue her, they posted her location on a climbers' forum and an epic rescue journey began to rescue a dog from a mountain.

that when Californians wanted to name a new city after San Francisco businessman William Ralston, he declined and said he was not worthy of the honor. So instead they named the city in honor of his modesty: Modesto, California.

How toxic a polar bear liver actually is. The entire liver contains enough vitamin A to kill as many as 52 adults! If you spread it out and ate just enough to get your RDA every day, that liver would last you 143 years!

In 1998 part of the hull of the Titanic was recovered and is displayed in a casino. Visitors are given a 'boarding pass' with the name of a passenger and find out the fate of their passenger at the end of the exhibition.

that in the Vietnam war the US conducted a psychological warfare operation which used loudspeakers to play eerie sounds and altered voices to represent the spirits of dead N. Vietnamese soldiers so as to undermine their morale. Operation Wandering Soul.

the USA was supposed to adopt the metric system but the ship carrying the standardized meter and kilogram was hijacked by pirates in 1793 and the measurements never made it to the States.

Fender Guitars did a study and found that 90% of new guitar players abandon playing within 1 year. The 10% that don't quit spend an average of $10,000 on hardware over their lifetime, buying 5-7 guitars and multiple amps.

the song Baby, It's Cold Outside was written by Frank Losser to sing with his wife, Lynn Garland, at parties to indicate to guests that it was time to leave.

that the number of abs you have is genetic and varies from person to person. The number of abs you have depends on the number of rings of abdominal tissue that someone is born with, and some people can actually have 10-pack abs.

that Black Widow antivenom is made by injecting horses with venom over a period of time. The horse develops antibodies against the venom, then the horse is bled and the antibodies purified for later use.

Bosses spend significantly more personal time on social media during work hours than their subordinates, according to a Norwegian study of more than 11,000 people.

that when bears hibernate, they "hold it in" for almost half a year. This is due to a fecal plug that forms in their lower intestine that prevents them from pooping while hibernating.

movie theater sound quality was greatly improved thanks to Star Wars. Sound across movie theaters was generally inconsistent or low quality, George Lucas then co-created THX to fully project the audio quality of Return of the Jedi.

That in 2004, a 25 year old virginal Japanese woman had surgery to remove a mature fetiform teratoma (a tumor that formed a doll-like structure) that contained brain, eye, spinal nerve, ear, teeth, thyroid gland, bone, bone marrow, gut, trachea, and blood vessel tissue... and more.

that a Kentucky man won $450,000 in a lawsuit against his former employers who allegedly fired him for having a panic attack and leaving his own surprise birthday party.

130 million American adults have low literacy skills with 54% of people 16-74 below the equivalent of a sixth-grade level.

that women die 17% more often in car crashes then men. In a frontal car crash with both sexes buckled in, their injury rate is also 73% higher.

NASA plans to retire the International Space Station by 2031 by crashing it into the Pacific Ocean.

That 38% of world wide unprovoked shark attacks occur in Florida.

Thomas Edison electrocuted dogs, cats, cows, horses, and an elephant in an attempt to discredit Nikola Tesla's work with AC electricity.