The challenge of opening science

Physicist Michael Nielson explains Michael Nielsen explains why scientists should embrace new technological tools for collaboration that will facilitate discoveries. A related Q & A is here.

The End of Illness

Cancer researcher David Agus follows this 2009 TED video with this recent TEDMED video on the potential for improving preventive medicine using genomics, technology and better analysis of research data.

Online attacks on privacy

Reinventing health care


The importance of ancient wonders

Recycled homes

Texas homebuilder Dan Phillips explains how to build homes from recycled and reclaimed materials.