When you were first conceived, you were a single cell. From this basic fact, we can extrapolate a few things, most especially that all the cells that make up your body today came (indirectly) from ...

Hidden Guests: Migrating Cells and How the New Science of Microchimerism is Redefining Human Identity Lise Barnéoud, transl. Bronwyn Haslam Greystone Books (2025) The chimaera of Greek mythology was ...

Lacks’ cervical cancer cells, called “HeLa” after the first two letters of her first and last name, are immortal, continuing to divide when most cells would die. This ability to survive through ...

The biological cycle of our existence seems relatively straightforward: we’re born, we live, we die. The end. But when you examine existence at the cellular level, things get a bit more interesting.