As technology has changed, so has our definition of "dead." Laci gives a brief history and ponders the delicate boundary between dead and alive.
As technology has changed, so has our definition of "dead." Laci gives a brief history and ponders the delicate boundary between dead and alive.

about 2 hours ago
If most of our DNA is useless, why not get rid of it? http://t.co/21zd5GePXP
about 19 hours ago
In the newest Reply All, we answer questions about topics ranging from gross bacteria helping people to... http://t.co/ni8SPd5cKo
yesterday
If alligators can regrow them, how come we can't regrow our teeth? http://t.co/bZ3eisR7KO
yesterday
Have you ever wanted to know what a 3D scanned fetus looks like? We haven't really, either, but now you can! http://t.co/y7gJddg2KQ
yesterday
RT @acarboni: Whoops, we cloned a human embryo. WE CLONED. A HUMAN. EMBRYO. http://t.co/MqDs25bPsc
3 days ago
RT @trace501: Well look who it is on @VirginAmerica's Red Media Center! I can see @DNews at 40,000 feet! (Cc: @Discovery_News) http://t.co/…
