Ancient rocks provide clues to Earth's early history

Oxygen in the form of the oxygen molecule (O2), produced by plants and vital for animals, is thankfully abundant in Earth's atmosphere and oceans. Researchers studying the history of O2 on Earth, however, know that it was ...

Surprising electronic disorder in a copper oxide-based ceramic

Cuprates, a class of copper-oxide ceramics that share a common building block of copper and oxygen atoms in a flat square lattice, have been studied for their ability to be superconducting at relatively high temperatures. ...

How to make electrons behave like a liquid

Electrical resistance is a simple concept: Rather like friction slowing down an object rolling on a surface, resistance slows the flow of electrons through a conductive material. But two physicists have now found that electrons ...

Group decisions: When more information isn't necessarily better

In nature, group decisions are often a matter of life or death. At first glance, the way certain groups of animals like minnows branch off into smaller sub-groups might seem counterproductive to their survival. After all, ...

Abundance of information narrows our collective attention span

The negative effects of social media and a hectic news cycle on our attention span has been an ongoing discussion in recent years—but there's been a lack of empirical data supporting claims of a 'social acceleration.' A ...

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