Science News Flash
Why early humans first stood up: to punch better
- Author: Vários
- Narrator: Vários
- Publisher: Podcast
- Duration: 0:21:49
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Synopsis
You might have seen: MSNBC.com, "Why early humans first stood up: to punch better" May 18, 2011, http://www.msnbc.msn.com/id/43085666/ns/technology_and_science-science/