Zenobia Jacobs: L'ORÉAL For Women in Science Fellow, Australia 2009

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Uploaded by on Aug 24, 2009

Zenobia Jacobs uses single grains of sand to accurately date the first signs of human society: engineering, art and communities. Last week Science reported on her dating of the first engineers. They were using fire to harden stone axes 75,000 years ago.

Each grain of sand contains a clock that records how long the grain has been buried in the ground. Zenobia has perfected a technique for reading this clock accurately up to 500,000 years ago.

Now, with her LOréal Fellowship she will turn to the vexed question: when did humans first settle Australia?

video: Jerome Pelletier [www.steppingstone.com.au]

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