geochemistry
-
The U.S. Is One Step Closer to Establishing a Research Program to Block the Sun
There are some signs the world may be finally gearing up to tackle the root cause of the climate crisis by reducing carbon emissions. But on Wednesday, a group of scientists detailed how to develop an insurance plan if the world fails to do so.
-
Watching Rust Form At An Atomic Level Teaches Us More About This Deadly Menace
Scientists have created perhaps the most detailed view of the rust formation process yet, according to a new paper published in the Proceedings of the National Academy of Sciences.
-
Fool’s Gold Suggests Ancient Life In ‘Oxygen Oases’ Far Before There Was Atmospheric Oxygen
You wouldn’t survive a stint on the hellish early Earth that existed between 2.5 billion and four billion years ago. There was almost no breathable free oxygen, for one thing. But scientists may have located an ancient oxygen oasis that existed prior to whatever event first oxygenated our atmosphere.
-
First Oxygen Appeared On Earth Way Earlier Than We Realised
If you hopped in the Tardis and travelled back four billion years, you’d find yourself on a hot, miserable wasteland of a planet with nary an oxygen molecule to breathe. Earth used to be an asphyxiating hellscape, but over the eons, tiny green microbes filled the air with oxygen. New research finds they have been…