One pinhead of the sun's energy is enough to kill a person at a distance of 160 kilometers.
277
The “cheerleader effect”, the theory that girls look more attractive in groups, is scientifically proven.
8
40% of people who are rejected in romantic love slip into clinical depression.
72
The average person falls asleep in seven minutes.
115
The offspring of two sets of identical twins are legally cousins but genetically siblings.
63
The average person will go on a date at least 100 times before they finally marry.
33
People who laugh more are better able to tolerate pain - both physical and emotional.
36