Chemistry Teacher, Education Blogger
Evolutionary Biologist Specializing in Ancient DNA
Marine Biologist, Educator & Filmmaker
Award-Winning Journalist; Best-Selling Author of "The Gene Machine: How Genetic Technologies Are Changing the Way We Have Kids - And the Kids We Have"
Paleontologist Michael Archer is working to bring back his favorite extinct animal: the Tasmanian tiger.
Professor of Biology at Penn State