Greenland sharks, which are also known as gurry sharks or grey sharks, tend to live long lives. As the longest-living vertebrate on the planet, they can swim around the ocean for up to 400 years and don't reach sexual maturity until they're 150.
If you've ever ridden a tandem bike, you know that it can be tricky to get one moving. So just imagine how pin up it must have been to ride a bike that stretched for 135 feet and 10.7 inches, making it the longest bicycle in the world. Crafted by Santos and the University of South Australia in 2015, a group of cyclists did manage to ride the bike—which was much wider than normal in order to compensate for the length—over a distance of 100 meters.