There’s a battery-powered bell at Oxford University that has been continuously ringing for over 175 years. Nobody knows what the battery is composed of and no one wants to take the device apart in order to figure it out.

The University of Oxford is so old that one of its constituent colleges, New College, was actually established in 1379.

Limbo queen Shemika Charles has been training six hours a day since she was a teenager. She set a world record in 2010 and is so flexible that she can limbo under a car.

In late 2016, the world’s second tallest building, the Shanghai Tower, built the world’s fastest elevator. According to the manufacturer, Mitsubishi, the elevator moves as fast as 4,035 feet per minute. That’s forty-six miles per hour.

On August 16, 1996, at the Brookfield Zoo, a three-year-old boy fell into a gorilla enclosure and lost consciousness, but Binti Jua, a female gorilla, guarded the young boy against other gorillas, cradled him in her arms, and carried him to an entrance where zookeepers retrieved him.

A Filipino fisherman found a 75-pound natural pearl and kept it hidden under his bed for 10 years. He discovered it in a giant clam and kept it as a good luck charm. It’s 170,000 carats.

In India, as well as other parts of the world, standing babas are people who have taken a vow to never sit, lay, or squat for 12 years in order to transport their psyches into a realm of spiritual awareness not experienced by sitters. They stand before a small hammock in which to rest their arms during the day and torso at night. One leg must be on the ground at all times.

A man named Chen Si spends every weekend of his life at the Nanjing Yangtze River Bridge, which is the world’s number one suicide bridge. He does it to save people from jumping and, in fact, he has saved 144 people from killing themselves.