Yawns are more contagious among people with closer relationships.
163
The leading cause of poisoning for children under the age of six in the home is liquid dish soap.
42
Intelligent people have more zinc and copper in their hair.
233
The offspring of two sets of identical twins are legally cousins but genetically siblings.
63
A study had men report their own penis size, and the average was found to be 6.1-6.5 inches. A subsequent clinical study actually measured penises, and found the average size to be 5.1-5.7 inches.
-3
The Japanese commonly put ketchup on their rice.
16
Forty percent of Americans have never visited a dentist.
33