virginity

Rats born from unfertilized eggs are a new achievement in reproductive science.

In China, Chinese New Year is one of the most important times of the year. At that time, the family members reunited on New Year's Eve to welcome Tet.

Professor Warren Booth, a scientist at the University of Tulsa in the US, and colleagues colluded dozens of individuals with the pregnancies of two species of cobra and tiger fish

A new finding confirms that genes that determine human hair color can reveal many things about fidelity and degree