Research on guinea pig embryos uncovers similarities to human embryogenesis, advancing understanding of preimplantation ...

Researchers reexamining fossils identified telltale marks made by human ancestors cutting meat from bones. The discovery ...

True suffering is tied to conscious experience, which only emerges when the higher brain becomes functionally connected.” ...

As governments and industry move to ban the culling of male chicks, a central question continues to shape public policy, research funding and ethical debates: When can a chick embryo feel pain?

The issue mirrors human fertility challenges with one out of eight couples struggling with infertility, and one-third of ...

The human immune system immediately recognizes those animal organs and the animal tissue as foreign and attacks. So if you ...