son

Many scientific studies show that billionaires have a son birth rate of 65% due to their attractive evolutionary advantages.

Recent research has shown that female students study better and score higher than male students.

In adolescence, most girls appear mature, older than their peers. Scientists have discovered the cause of this phenomenon.

Young boys with mothers when they were young grew up with little trouble in life, they will know how to behave more skillfully and reasonably, a study has just revealed.

When analyzing data from 10 states, resulting in more than 7.2 million teenagers, US scientists found that the difference in math scores between the sexes was extremely small.

The mother and son cleverly disguised as river shrimp in the water to attract fish that are easy to trick, turn it into a host to raise the whole herd.

If humans are a creature on earth with so many complex things, the animal world is made up of thousands, millions of things are even more complicated with countless things that we

The sisters made the family more open and willing to share difficult issues, while the brothers often cried more pain, a survey has just revealed.

If you want to know if a man likes having a boy or a girl, you can find the answer easily by looking at their family tree.

Girls are no less competitive than the boys, only that they use more refined tactics.