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1932

Physical World

A treasure hunt for microbes in Chile’s Atacama desert

The famously dry region has long been dismissed as a mostly lifeless wasteland, good for little more than mining of minerals and precious metals. To these researchers, however, it’s a microbial gold mine worthy of protection.

The next omics? Tracking a lifetime of exposures to better understand disease

Of the millions of substances people encounter daily, health researchers have focused on only a few hundred. Those in the emerging field of exposomics want to change that.

As the Arctic warms, it’s losing more than just ice

SLIDESHOW: Also at risk are the many hidden habitats built into the sea’s frozen wilds.

The base of the iceberg: It’s big and teeming with life

Passing chunks of ice can fertilize ocean waters and play a role in the planet’s carbon cycle

The marks of extinction

The mass die-offs of Earth’s past may hold clues to our future

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