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Articles on Nutrients

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What if prehistoric men and women joined forces in hunting parties? gorodenkoff/iStock via Getty Images Plus

‘Man, the hunter’? Archaeologists’ assumptions about gender roles in past humans ignore an icky but potentially crucial part of original ‘paleo diet’

If hunter-gatherers went beyond nose-to-tail eating to include the undigested plant matter in a prey animal’s stomach, assumptions about gendered division of labor start to fall apart.
A helicopter drops water on a forest fire in Alaska. Michael Risinger/U.S. Army National Guard

As extreme fires transform Alaska’s boreal forest, deciduous trees put a brake on carbon loss and how fast the forest burns

A new study finds more deciduous trees like aspen are growing in after severe fires in the region, and that has some unexpected impacts.
Longleaf pines support one another through mycorrhizae – mutually beneficial relationships between certain fungi and the trees’ roots. Justin Meissen/Flickr

Plants thrive in a complex world by communicating, sharing resources and transforming their environments

We may think of plants as passive life forms, but they can cooperate, share resources, send one another warnings, and distance themselves from their communities when survival depends on it.
Weathering of rocks like these basalt formations in Idaho triggers chemical processes that remove carbon dioxide from the air. Matthew Dillon/Flickr

An effective climate change solution may lie in rocks beneath our feet

To avoid global warming on a catastrophic scale, nations need to reduce emissions and find ways to pull carbon from the air. One promising solution: spreading rock dust on farm fields.

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