Peter Ward's speaking bio and video

Peter Ward's Presentations

TED2008	February 2008	Watch video Earth's mass extinctions: Asteroid strikes get all the coverage, but "Medea Hypothesis" author Peter Ward argues that most of Earth's mass extinctions were caused by lowly bacteria. The culprit, a poison called hydrogen sulfide, may have an interesting application in medicine. Earth's mass extinctions: Asteroid strikes get all the coverage, but "Medea Hypothesis" author Peter Ward argues that most of Earth's mass extinctions were caused by lowly bacteria. The culprit, a poison called hydrogen sulfide, may have an interesting application in medicine. Less ↑
Poptech 2003	October 2003	Less ↑