People with blue eyes are better able to see in the dark.
153
A hard working adult sweats up to 4 gallons per day.
39
Only 10-20% of the population can wiggle their ears and raise one eyebrow.
22
A man is more likely to get a woman's phone number if he is accompanied by a dog.
20
A person will create enough saliva to fill two average size swimming pools during his lifetime.
191
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
In one day an average person will take about 18,000 steps.
55
Women have a slightly higher average IQ than men.
164