Using a remote-controlled camera, biologists caught dolphins getting high by sucking on puffer fish. They were even caught passing the puffer fish around.
23
In 2007, a Bosnian couple found out that they had been cheating on one another in online chatrooms... with each other.
75
Blue whale arteries are large enough for humans to swim through and their hearts are the size of cars.
12
The exact cause of death and burial site of Genghis Khan is unknown, because all of the 2000 funeral guests and 800 soldiers were killed in order to preserve the secret.
16
In 2011, there were 3 known cases around the world of twins coming from different fathers.
30
Colombian drug lord Pablo Escobar made so much money, he spent over $2,500 every month just on rubber bands to bundle up his stacks of cash.
23