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Photograph of sandy sea bottom covered in round nodules. The light is dim and greeny blue.
Physical World

Mining the deep ocean

Renewable technologies need a multitude of critical minerals. The seabed could supply these riches. But at what cost?

An illustration shows a net wrapping around emissions from a smokestack with more smokestacks in the background.
Society

To help with climate change, carbon capture will have to evolve

The technologies are a useful tool to reduce CO2 levels but have yet to move us away from fossil fuels

Conceptual illustration shows a woman lying half-submerged in water. Above the water are flowering plants. There are water lilies floating on the water next to her.
The Mind

When depression sneaks up on menopause

Fluctuating levels of estrogen during a period known as perimenopause can wreak havoc on the mental health of women in midlife. Diagnosis and treatment have been elusive despite symptoms as serious as suicidal thoughts.

Photographs of two rescued pangolins on a log, near water.
Living World

Are wildlife trade bans backfiring?

Trafficking in wild animal and plant products is driving species to extinction, but some researchers think restrictions only spur demand and make things worse

Photograph shows corn and oats growing side-by-side on a farm in Iowa. The farmer Craig Fleishman uses a hybrid approach that mixes organic and conventional agricultural methods. Many experts believe this may be the future of farming and will lead to greater sustainability.
Food & Environment

A middle path to sustainable farming

Agricultural economists are homing in on hybrid, low-input methods that will both safeguard the environment and feed the future billions

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