November 26, 2020

Bacteria plus iron equals ochre, the prehistoric paint

4 minutes

(Nov 26, 2020) Martha Foley and Curt Stager talk about ochre. It’s more than just a color in the Crayola box.

...more

By NCPR: North Country Public Radio

4.9

1111 ratings

November 26, 2020

4 minutes

(Nov 26, 2020) Martha Foley and Curt Stager talk about ochre. It’s more than just a color in the Crayola box.

...more

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