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experiments

A tan and brown striped rock surface with a fault running through the middle
Posted inResearch Spotlights

Rougher Faults May Generate More Earthquake Aftershocks

Sarah Stanley, Science Writer by Sarah Stanley 1 May 20231 May 2023

Lab experiments on pieces of granite reflect natural aftershock dynamics and highlight the role of rock roughness along a fault.

Color view of Europa from Galileo that shows the largest portion of the moon’s surface at the highest resolution.
Posted inNews

Newly Discovered Salts May Exist on Icy Moons

by Derek Smith 23 March 202311 April 2023

For the first time in more than a century, scientists have identified new sodium chloride crystals. The discovery may reconcile puzzling spectroscopic images of Europa’s surface.

The laser device sits on top of Mount Säntis, shooting a green laser into a cloudy sky.
Posted inNews

How to Bend Lightning with a Laser Beam

by Bill Morris 24 February 202324 February 2023

For the first time, scientists have redirected lightning using a laser beam. And that’s just the start of what’s possible.

Underwater photo of earth-toned stones of various shape, some with moss, and rays of sunshine.
Posted inNews

Decoding the Secrets of Shifting Sediments

by Clarissa Wright 23 February 202324 February 2023

In the small-scale details of grain shape, researchers have found a new way to understand how sediment flows in a river, a process shaping Earth’s landscapes.

Three ants crawl on a vine. The ants and the vine are seen in silhouette with a yellow sunset behind them.
Posted inNews

Ants Aren’t Adapting to Warmer Temperatures

Kimberly M. S. Cartier, News Writing and Production Intern for Eos.org by Kimberly M. S. Cartier 17 February 202317 February 2023

Foraging in hotter-than-desired temperatures could negatively affect ants’ biology and the forest ecosystems that they support.

A panoramic view of rocky mounds on a rust-colored Martian landscape
Posted inNews

Does This Mineral Indicate Oxygen on Mars?

by Elise Cutts 30 January 202330 January 2023

Manganese oxides are thought to be a signature of atmospheric oxygen. But on the Red Planet, recent results suggest they might be more of a red herring.

Researcher at an observation tower in a plot where the towers will be installed
Posted inNews

Testing the Resilience of the Amazon

by Sofia Moutinho 10 November 202222 December 2022

A mega-experiment in Brazil will evaluate how tropical rain forests absorb carbon as emissions increase.

Aerial view of an agricultural field with some plots in temperature-controlled conditions
Posted inNews

Warmer Winters Keep Crops Sleepy into Spring, Hurting Yield

by Elise Cutts 21 October 202228 October 2022

Annual crops go dormant during winter. Frosty temperatures cue them to wake up—but the warmer winters brought on by climate change scramble the cold signal, hurting yield.

A back-scattered electron image of an experimental charge showing a miniaturized model of the core-mantle boundary equilibrated at pressure-temperature conditions thought to prevail during core formation.
Posted inEditors' Highlights

New Results Deepen the Mystery of Earth’s Early Magnetic Field

by Carolina Lithgow-Bertelloni 14 April 202214 March 2023

How was Earth’s early magnetic field produced? New experimental results and modeling show that the energy source could not have come from exsolution of lithophile elements from the core.

Detector and lightning locations for two observed events in Kanazawa, Japan
Posted inEditors' Highlights

Lightning Discharge Type Linked to Terrestrial Gamma‐Ray Flashes

by Minghua Zhang 1 September 202013 February 2023

For the first time, the connection between energetic in cloud pulse and terrestrial gamma‐ray flashes is confirmed in the Gamma-Ray Observation of Winter Thunderclouds experiment in Japan.

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