Founder of Twitter Evan Willams gives presentation @TED

Founder of Blogger and Twitter gives a break down at TED about what Twitter.com is

Evan Williams - "I've learned to follow hunches and not assume where there'll go" - @EV

medical invention harvesting adult stem cells, described in 4 mins

RT @TEDchris: Terrific medical invention harvesting adult stem cells, described in 4 mins in today's #TED talk http://on.ted.com/1b

Researcher Daniel Kraft at Stanford University, explains new break through in bone marrow extraction technologies.