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 ...

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Tech Xplore

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 ...

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 ...

ALICE sees new sign of primordial plasma in proton collisions

The ALICE Collaboration takes a step further in addressing the question of whether a quark–gluon plasma can be formed in proton–proton and proton–nucleus collisions. In the first few microseconds after the Big Bang, ...

A new entanglement-enhanced quantum sensing scheme

Over the past decades, quantum scientists have introduced various technologies that operate leveraging quantum mechanical effects, including quantum sensors, computers and memory devices. Most of these technologies leverage ...

ShadowCam search casts doubt on abundant lunar ice

New observations by a team of US astronomers have cast fresh doubt on whether the lunar surface could host abundant water ice. Publishing their results in Science Advances, a team led by Shuai Li at the University of Hawaii ...

Investors willing to pay a little more for green bonds

Green investors often boast that they can support sustainability without sacrificing returns. But new research from Texas McCombs suggests otherwise. It also offers governments opportunities to raise more money from those ...

Decline in Japanese chum salmon linked to climate change

Today, most of the salmon consumed in Japan is imported from countries like Chile and Norway, according to the Ministry of Agriculture, Forestry and Fisheries. But just two decades ago, Japanese chum salmon made up a much ...

The cactus on your desk is an evolution speed machine

The cactus on your windowsill may grow slowly, but new research shows that cacti are surprisingly fast at creating new species. Biologists have long thought that pollinators and specialized flowers drive the formation of ...

Statistics that tell the whole truth? It's as easy as ABC

It's said that statistics don't lie, but they often don't tell the whole truth, either. A Cornell statistics expert has come up with a method he believes can boost statistical power and significantly reduce bias—vital for ...

Bacterium that may protect against long COVID identified

According to WHO, approximately 6% of the worldwide population who contract COVID-19—some 400 million people—go on to develop a long-lasting form of the disease. These figures demonstrate that the persistent form of the ...