Mathematics

Mathematical framework maps landscape of student knowledge via short quizzes

When we learn something new, that information does not exist in isolation. It integrates into the complex landscape of our knowledge, forging connections with existing ideas and opening up possibilities for new learning. ...

Evolution

Stolen chloroplasts maintained by host-made proteins offer clues to plant cell origins

Every plant cell is the product of a biological merger billions of years ago. Chloroplasts are key structures in plants and algae that capture sunlight, but originally they were free-living bacteria that took up residence ...

Quantum computers could have a fundamental limit after all

The performance of quantum computers could cap out after around 1,000 qubits, according to a new analysis published in the Proceedings of the National Academy of Sciences. Through new calculations, Tim Palmer at the University ...

How soil microbes may control the future of our planet

The soil beneath our feet is a huge carbon bank storing up to approximately three times more carbon than the entire atmosphere. That makes it a significant player in the future of our climate. If even a small fraction of ...

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Medical Xpress

Tech Xplore

Why a canceled meeting feels so liberating

Unless your employer is Lumon Industries, where the "Severance" workday never ends, a canceled meeting can feel like a gift of limitless time. A Rutgers University study published in the Journal of the Association for Consumer ...

New system cuts nitrogen, phosphorus in farm drainage

Scientists have developed a new edge-of-field water-treatment system that reduces the load of excess nutrients washing into waterways from farm drainage systems. Their method combines a woodchip bioreactor with a two-step ...

Why you can't tie knots in four dimensions

We all know we live in three-dimensional space. But what does it mean when people talk about four dimensions? Is it just a bigger kind of space? Is it "space-time," the popular idea which emerged from Einstein's theory of ...

Skagerrak's invisible diversity may be lost in silence

Fish caught in the same trawl and sold under the same name may in fact have significant genetic differences. Beneath the surface of the Skagerrak lies a biological diversity that is rarely seen in fishmongers. "If management ...

Image: Intermediate spiral galaxy NGC 941

NGC 941 is located approximately 55 million light-years away in the constellation Cetus. This faint galaxy is classified as an intermediate spiral, exhibiting characteristics between a barred spiral with a central bar and ...

When you stumble, laughter beats embarrassment

When you make a small mistake that doesn't harm anyone else—such as tripping over a curb or misremembering a name—people will like you more if you can laugh at yourself rather than act embarrassed, finds research published ...