For the first time, scientists have been able to produce kangaroo embryos through in-vitro fertilization (IVF), an important ...

By the combination of mass action and replacement of chromosomal proteins, egg molecules displace or replace repressor molecules associated with nonexpressed genes in somatic cells. In frogs and ...

Yet each of us started off as just a single fertilized egg cell. To become a whole human ... In their study, the scientists ...

Without a brain, the frog embryo immune system doesn’t receive the signals it needs to mobilize macrophages and fight infections. A former intern at The Scientist, Amy studied neurobiology at Cornell ...