Rock-solid archives record variations in the Earth's orbit

The shape of Earth's orbit around the sun and the orientation of its axis undergo regular variations over periods of thousands to millions of years. These variations—known as Milankovitch cycles after the Serbian geophysicist ...

Metallic drivers of Alzheimer's disease

X-ray spectromicroscopy at the Scanning X-ray Microscopy beamline (I08), here at Diamond, has been utilised to pinpoint chemically reduced iron and calcium compounds within protein plaques derived from brains of Alzheimer's ...

Life's history in iron

A new study examines how Earth's oldest iron formations could have been formed before oxygenic photosynthesis played a role in oxidizing iron.

The rise and fall of oxygen

How long has Earth's atmosphere included oxygen? A recent paper suggests low levels of oxygen appeared in the atmosphere approximately 2.95 billion years ago. That's about 550 million years earlier than previously thought.

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