Protecting human heritage on the moon: Don't let 'one small step' become one giant mistake
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February 15, 2019
(The Conversation is an independent and nonprofit source of news, analysis and commentary from academic experts.)
(THE CONVERSATION) Why did the hominin cross the plain? We may never know. But anthropologists are pretty sure that a smattering of bare footprints preserved in volcanic ash in Laetoli, Tanzania bear witness to an evolutionary milestone. These small steps, taken roughly 3.5 million years ago, mark an early successful attempt by our common human ancestor to stand upright and stride on two feet, instead of four.
Nearly 50 years ago, Neil Armstrong also took a few small steps. On the...
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