There are actually seven different types of twins: Identical, Fraternal, Mirror-Image, Polar Body (Half Identical), Mixed Chromosome, Superfecundation, and Superfetation.
20
The United States has paved enough roads to circle the Earth over 150 times.
72
The first South Park episode was made with construction paper. It took 3 months to make.
49
Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
14
Scientists have developed a microparticle filled with oxygen that can be injected into the blood stream, enabling us to live without breathing.
21
Your fingernails grow faster in summer.
744
A pig's orgasm lasts for 30 minutes.
303
Mangoes enhance a marijuana high, allowing users to get ‘higher’ more effectively.
11