Season 37, Episode 5 Becoming Human: First Steps
First Aired: November 3, 2009
Part 1 of 3. The evolutionary arc of humans is explored, beginning with what may have led to the split from the apes. The documentary details the discovery of "Selam," a nearly complete child fossil that helps fill in the blanks on the development of early humans and explores one theory on what caused the split: abrupt changes in the climate. Also: how the brains of early humans differed from those of the apes.
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- Premiered: March 3, 1974
- Rating: None
- Premise: PBS's premier science-documentary series, which has won six Peabody Awards and more than 20 Emmys (four in 2002 alone) since its 1974 debut. `Nova' clearly, and often engagingly, `demystifies' a vast range of science, technology and history topics---past a… (more)