A War Was Fought Over a Bucket
Fact: The War of the Oaken Bucket (1325) was between the Italian city-states of Modena and Bologna. It started when Modena stole a wooden bucket from Bologna!
0.5% of the male population are descended from Genghis Khan. (Scientists did a study in 2003 showing that about 16 million dudes share a Y chromosome with the famous Emperor.)
MRI scans work because of a property of particles called spin. Specifically, MRI takes advantage of the spin of the nuclei of hydrogen atoms to generate images.
Zebras are intelligent and sentient animals. Zebras stand between 1.10 and 1.50 meters tall at the shoulder and can weigh up to 450kg. Despite their size, they are fast runners, reaching speeds of up to 65 km/h to escape predators.