In evolutionary terms, fitness is defined as an organism's ability to survive and reproduce its genes into the next generation.

While this internal rivalry is usually hard to see, it becomes clearer when it involves genes on the X and Y chromosomes, ...

Heidelberg biochemists and structural biologists from Shanghai unravel the roles of two key regulatory factors in mRNA ...

In evolutionary terms, fitness is defined as an organism's ability to survive and reproduce its genes into the next ...

A man in his early 20s received a transplant of his own sperm-producing stem cells, which had been frozen since his childhood ...

Today, 85% of children with cancer survive to adulthood and about 1 in 3 are left infertile from chemotherapy or radiation.