Sometimes it’s easy to tell if something is living or not. A teddy bear might look like a bear, but it cannot do any of the seven things it needs to be able to do to count as being alive.

The discovery that germ cells affect male and female longevity in opposing ways is an important clue in unraveling the ...

In the intricate science of reproduction, the creation of offspring has long relied on the union of sperm and eggs, whether ...

Understanding how cells transform into specialized types during human development is a central challenge in biology. This ...

Gametes are an organism's reproductive cells. They are also referred to as sex cells. Female gametes are called ova or egg cells, and male gametes are called sperm. Gametes are haploid cells ...

The articles in this special issue highlight the diversity and complexity of research into reproductive health, including the need for a better understanding of the fundamental biology of reproduction ...

The Principle of Segregation describes how pairs of gene variants are separated into reproductive cells. The segregation of gene variants, called alleles, and their corresponding traits was first ...

Her statement on transgender rights led to a standing ovation from the room. While Gaga did not address POTUS in her speech, ...

Chinese scientists have used embryonic stem cell engineering to create the first mice with two fathers to reach adulthood, ...

Using cutting-edge stem cell technology, a team of scientists from the Chinese Academy of Sciences (CAS) recently created a ...