Thursday, 9 February, 2012

Brain electrodes allow monkeys to move robot arm and feed themselves. Experiment proves it’s possible to bypass spinal cord to create simple motion.

New electronics, new sensors and new electrodes promise new hope for people with grave nerve disabilities. Replacements for both sensory and motor nerves have long ago left the drawing board.

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.

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.