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
Blue whale arteries are large enough for humans to swim through and their hearts are the size of cars.
12
A singing birthday card has more computing power than the allied forces in 1945.
30
In 2011, there were 3 known cases around the world of twins coming from different fathers.
30
In 2005, in Africa, it was reported that three lions rescued a 12-year-old girl from kidnappers and guarded her for half a day until help came.
46
A scorpion can hold its breath for up to 6 days.
19
There is a surgical implant being developed that will give you an orgasm at the touch of a button.
20