Americans throw out 4.5 pounds of trash a day - twice that of 40 years ago.
76
Children's sense of smell is better than adults'.
860
There are actually seven different types of twins: Identical, Fraternal, Mirror-Image, Polar Body (Half Identical), Mixed Chromosome, Superfecundation, and Superfetation.
20
In 2005, 25 percent of Americans over the age of 50 played video games, an increase from nine percent in 1999.
82
Someone on Earth reports seeing a UFO every three minutes.
180