WATCH: What Doctors Don't Know About the Drugs They Prescribe...TED and The Huffington Post are excited to bring you TEDWeekends, a curated weekend program that introduces a powerful "idea worth spreading" every Friday, anchored in an exceptional TEDTalk.

TEDTalks can sometimes portray science in triumphalist tones, with fabulous innovations that are changing the world forever. But the real action in science is often around dirty, messy, angry problems, and my TEDTalk is about the dirtiest I've seen yet. READ More...