http://www.ted.com Alan Russell studies regenerative medicine — a breakthrough way of thinking about disease and injury by helping the body to rebuild itself. He shows how engineered tissue that “speaks the body’s language” has helped a man regrow his lost fingertip, how stem cells can rebuild damaged heart muscle, and how cell therapy can regenerate the skin of burned soldiers. This new, low-impact medicine comes just in time, Russell says — our aging population, with its steeply rising medical bills, will otherwise (and soon) cause a crisis in health care systems around the world. Some graphic medical imagery.... Read More إقرأ المزيد | Share it now!

http://www.ted.com Johnny Lee demos his amazing Wii Remote hacks, which transform the $40 game piece into a digital whiteboard, a touchscreen and a head-mounted 3-D viewer. A multi-ovation demo from TED2008.... Read More إقرأ المزيد | Share it now!

In Al Gore’s brand-new slideshow (premiering exclusively on TED.com), he presents evidence that the pace of climate change may be even worse than scientists were recently predicting, and challenges us to act with a sense of “generational mission” — the kind of feeling that brought forth the civil rights movement — to set it right. Gore’s stirring presentation is followed by a brief Q&A in which he is asked for his verdict on the current political candidates’ climate policies and on what role he himself might play in future.... Read More إقرأ المزيد | Share it now!