In mammals, males are usually stronger and more competitive than females. Males also show greater inequality in reproductive success—the number of offspring they produce—than females. In spotted ...

Naked mole rats are weird. They spend their lives almost entirely underground, are largely insensitive to some kinds of pain, ...

Anya ending explained reveals whether Seymour gene-edited Libby’s egg, how Marco’s Narval genetics caused the miscarriages, ...

Decreasing the amount of oxygen that IVF-conceived embryos are developed in could improve outcomes, such as reducing the risk ...