Thursday, 9 February, 2012

Small doses of alcohol can kill brain cells in young lab animals. In people, they cause fetal alcohol syndrome. Anesthetics can also kill brain cells in animals. What do they do to young humans?

New device translates brain signals into action, bypassing a destroyed spinal cord. Could this type of gadget help overcome paralysis?

What is EPO? What are steroids? Do steroids cause aggression? Are steroidal athletes bad role models? Are we over-reacting to steroid use?

Developmental biology meets dentistry as scientists grow human teeth in test tubes. All the latest on test-tube teeth. Sounds better than the iron teeth that the Romans used…

Hibernation gives clues about tissue preservation, organ transplants, stroke, Parkinson’s disease, brain behavior, and mating behavior. As the sun goes away, we look into the long snooze.

Research shows that cerebellum regulates the timing of stop-and-start movements, but not for continuous motion. Tap, tap, tap…

Could a drastic restriction on calories extend your lifespan? Hint: It works for fish, flies and monkeys…

Genetic therapy restores sight to blind dogs — a first, large-animal treatment success.

Should human cloning be banned, or restricted? What is the promise of cloning for medical purposes?

Watch a heart transplant from beginning to end, close enough to get your hands wet.