Like you and me, microbes need some metals in their diet to stay healthy. The metals help the microbes fully "digest" food. After a good meal, the microbes that gain energy by chemically reducing nitrate release a harmless ...
Earth Sciences
Jun 15, 2022
0
227
Like Plato's Cave, where fires reveal the portrait of an otherwise hidden reality, researchers have for the first time used a stalagmite's chemical signal to reveal the nature of Australia's historic wildfires, identifying ...
Earth Sciences
Apr 14, 2022
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78
A meteorite that fell in northern Germany in 2019 contains carbonates which are among the oldest in the solar system; it also evidences the earliest presence of liquid water on a minor planet. The high-resolution Ion Probe—a ...
Space Exploration
Jan 21, 2021
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73
A pair of University of Delaware researchers were studying "blue carbon"—the carbon stored in coastal ecosystems such as mangrove forests, salt marshes or sea grasses—when they found something no one expected to see in ...
Earth Sciences
Dec 8, 2020
4
177
New research by University of Alberta scientists on the risks for metal contamination at an inactive mining site in northwestern Saskatchewan could help inform a strategy for a safe long-term reclamation of the site.
Earth Sciences
Sep 17, 2020
0
57
Using some cosmic detective work, a team of researchers has found evidence that tiny pieces of asteroids from the inner solar system may have crossed a gap to the outer solar system, a feat once thought to be unlikely.
Space Exploration
Aug 6, 2020
1
3228
Let's start at the beginning. Before humans, before Earth, before any of the planets existed, there were baby planets—planetesimals. Coalesced from dust exploded outward by the solar nebula, these blobs of material were ...
Astronomy
May 8, 2020
0
71
A new international study led by Monash University climate scientists has found reef sand is dissolving much quicker than previously thought due to the impact of microbes.
Earth Sciences
Apr 21, 2020
0
221
Planetary scientists at Curtin University have shed some light on the tumultuous early days of the largely preserved protoplanet Asteroid 4 Vesta, the second largest asteroid in our Solar System.
Space Exploration
Feb 26, 2020
0
82
Twenty thousand years ago, in the thick of an Ice Age, Earth looked very different. Because water was locked up in glaciers hundreds of feet thick, which stretched down over Chicago and New York City, the ocean was smaller—shorelines ...
Earth Sciences
May 24, 2019
1
2113
