Explore hypotheses for why we stand up, choose your favorite, then hear what paleoanthropologist Donald Johanson thinks. Produced by WGBH/Nova.

Should we attempt to control our heredity? Take the poll. Produced by WGBH/Evolution.

Imagine if the genetic deck had been shuffled slightly differently as some of the earliest life forms began their evolutionary paths. Might a creature just as smart as us — or even smarter — have emerged? By the same token, … Continue reading

Would you want to know more about your DNA? See what four types of genetic testing can reveal. Produced by WGBH/Nova.

Vote for your favorite Dickens novel. Produced by WNET/Dickens.

Should we create human embryonic stem cells through cloning? Produced by WGBH/Nova.

Why recreate the deadly 1918 flu virus? In this interactive poll, explore arguments for and against then vote online. Produced by WGBH/Nova.

Examine a lineup of possible culprits in the Permian extinction and cast your vote in our poll. Produced by WGBH/Nova.

Did evolution shape your taste in a mate? Take our poll. Produced by WGBH/Evolution.

Compare the look, feel, taste, and smell of lab-produced meat with the real thing, then vote in our poll. Produced by WGBH/Nova.

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