SciFri 061512 Hour 1: Emergency Contraception, Microbiome Project, Bacterial Armor, Sylvia Earle

How the morning-after pill works, scoping out the trillions of germs that call the healthy human body home, seeing a bacterial protective protein coat, and a tour of Sylvia Earle's desk.

SciFri 061512 Hour 2: Dating Cave Art, Peter Piot, Visualizing Statistics

Dating a red disk painted in a Spanish cave over 40,800 years ago, a virus hunter recalls the discovery of Ebola and HIV, and how turning data into faces makes people take notice.


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