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
People with light eye colors (like blue, green or grey) have a higher alcohol tolerance.
194
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
Babies cry but they don't produce tears until one to three months after birth.
238
Humans are capable of running 40 mph according to a study by bio-mechanical expert Dr. Matthew Bundle. Today's fastest man, Usain Bolt, has a top speed of 28 mph.
34
40% of people who are rejected in romantic love slip into clinical depression.
72