Speculation on population numbers raise questions about whether the planet can sustain us all.
Some argue women's soccer is a purer form of the sport, with fewer faked injuries, more scoring and a smoother, slower pace.
More than 80 percent of U.S. counties are falling even further behind the longest-lived countries, and the effect isn't spread evenly.
As the Anthony Weiner scandal shows, couples should establish what's appropriate or inappropriate online, say experts.
Women may be more likely to give birth to boys than girls following a nuclear radiation event.
No matter how you raise kids, they eventually end up being who they're going to be, say experts.
While it is impossible to predict the future, experts say that population changes tend to follow patterns.
Employers who want to know more about applicants can simply turn to Facebook, claims a study.
One in 20 men with otherwise healthy sperm could be infertile because of a defective protein.
There are intricate links between the development of physical traits and what turns on the opposite sex.