Archive for the ‘Body Repair’ Category


Embryonic stem cells - Thursday, March 19th, 2009

Last week, Pres. Obama revoked the limits on studies of cells that can become any body cell. What was lost in eight years of limits on embryonic stem cells? What’s ahead?



Reading the brain; controlling the muscles - Thursday, October 16th, 2008

A single neuron in the brain may deliver enough information to control a muscle. These results could eventually help bypass the spinal cord, allowing paralyzed people to control their own muscles.



Gold medal for exercise: Key to long, healthy life - Thursday, August 14th, 2008

Activity is not just for the heart: For older people, it spells longevity, mobility, independence. Exercise fights diabetes and MS; even extends the lifespan. Time to get moving?



Overcoming paralysis - Thursday, May 29th, 2008

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



Restoring Vision, Hearing and Movement - Thursday, February 22nd, 2007

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.



Young Brains: Danger in the Operating Room? - Thursday, December 14th, 2006

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?



Spinal-Cord Injury: I Think, Therefore I Move? - Wednesday, July 12th, 2006

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



Sports Doping - Thursday, December 16th, 2004

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



Growing Teeth in the Lab - Thursday, February 19th, 2004

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: The Biggest Sleep - Saturday, October 11th, 2003

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.


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