Men are more likely to say "I love you" first than women are, a study found.
Mail-order marriages are less likely to end in divorce than marriages overall in the U.S., a study found.
Music triggers activity in the same brain structure that releases the "pleasure chemical" dopamine during sex and eating.
The portrayal of CPR on TV has a survival rate of 66% while in a real life hospital it's about 15%.
The groundwater of 90% of Chinese cities is polluted.
of the earth's land is in 6 countries.
87% of scientists believe climate change is mostly caused by human activity, while only 50% of the public does.
in the U.S. in 2015.
Keanu Reeves had spine surgery before filming 'The Matrix'.
If you were drafted during the American Civil War you could legally pay someone else $300 to go in your place.