A eukaryote is any cell or organism that possesses a clearly defined nucleus. Eukaryotic cells form the foundation of complex, multicellular life, including apple trees, mushrooms, fish and humans.

Graham Johnson, a computational biologist and scientific illustrator at the Allen Institute for Cell Science, recalls fantasizing at a lunch table, more than 15 years ago, about a computer model of a ...

Pop quiz: Stem cells can be used to 1. fight cancer, 2. grow a new kidney, 3. erase wrinkles, or 4. repad creaky knees. Can’t settle on one answer? Not surprising—the mini powerhouses have grabbed ...

Stem cell research is at defining moment. Although it can be controversial and does raise a lot of important ethical issues, this area of medical science has been characterised by a number of ...

Researchers have identified a specific protein complex inside neurons that tags toxic tau fragments for destruction, offering the clearest explanation yet for why certain brain cells survive while ...