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Biogeosciences

News 13 April 2021

Soil Chips Help Scientists Spy on Fungal Navigation

Soil chips provide a micrometer-resolution window into life underfoot, shedding light on how fungi behave when navigating soil’s mazes.

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Hydrology, Cryosphere & Earth Surface

News 22 January 2021

The Catcher in the Ice

There are three ways to extract gases from an ice core. The cleanest one, sublimation, is getting easier.

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Climate Change

News 21 January 2021

Overturning in the Pacific May Have Enabled a “Standstill” in Beringia

During the last glacial period, a vanished ocean current may have made the land bridge between Asia and the Americas into a place where humans could wait out the ice.

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Geology & Geophysics

Feature 21 December 2020

A Field Guide to the Magnetic Solar System

Not all planets move the needle. But whatever planet you take a magnetic compass to, it’s sure to point out clues to secrets underfoot.

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Geochemistry, Mineralogy, Volcanology

News 11 September 2020

Cratons Mark the Spot for Mineral Bonanzas

A new map of the thickness of Earth’s lithosphere contains clues to large deposits of key metals.

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Geology & Geophysics

Feature 16 October 2019

Einstein Says: It’s 309.7-Meter O’Clock

Atomic clocks are now so accurate that Earth’s gravity can be seen to slow them down. Geodesy is preparing to use this relativistic effect to measure elevation.

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Ocean Sciences

Feature 19 June 2019

The Tides They Are a-Changing

The twice-daily ebb and flow of the sea have the power to change the planet. Weak tides could have allowed Earth to freeze over, and strong tides may have given vertebrates a leg up on land.

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Hydrology, Cryosphere & Earth Surface

Feature 30 May 2019

Gauging in the Rain

Measuring how much water falls from the sky is more complicated than it seems. To improve measurements, researchers are looking at umbrellas, hydrophones, and gamma ray detectors.

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Ocean Sciences

Feature 21 May 2019

Mud on the Move

Powerful submarine flows known as turbidity currents are starting to give up their secrets.

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Biogeosciences

News 17 April 2019

Looking for Climate Solutions Down in the Dirt

Geoengineering is more than orbiting mirrors and stratospheric aerosols. Innovative modeling considers the impact of no-till farming and radical irrigation.

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