Amaia Arranz-Otaegui describes the discovery of bread that far pre-dates agriculture.
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August 20, 2018
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PNAS QnAs with NAS member and chemist Shaul Mukamel.
Researchers report links between warming and predator-prey interactions in the Arctic and suggest that predator activity can influence carbon and nitrogen dynamics in the Arctic, but that warming may alter or reverse such effects.
Image courtesy of Modman/Pixabay.
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A study explores historical fire activity associated with bison hunting by indigenous groups in North America, and suggests that fire use by indigenous hunters might have amplified the effect of climate variability on fire activity in the North American Great Plains.