The offspring of two sets of identical twins are legally cousins but genetically siblings.
63
Studies suggest that people who appear to be constantly distracted have more "working memory" and "sharper brains".
13
Only 2% of the Earth's population are natural redheads.
13
A person will create enough saliva to fill two average size swimming pools during his lifetime.
191
The average person laughs 13 times a day!
108
About 2/3 of American men prefer boxers to briefs.
83
Boys who have unusual first names are more likely to have mental problems than boys with conventional names. Girls don't seem to have this problem.
131
Studies show that the risk of a “secret love” being revealed heightens romantic feelings for the partners, thanks to increased levels of phenylethylamine (PEA).
99