New Silicon Carbide Transistor Keeps Working at an Extreme 600°C

Electronic devices usually don't cope well with extreme heat. But researchers in Japan have developed a new type of transistor that can operate at temperatures...

Signal-Based System Could Bring End-to-End Encryption to Shared Online Documents

End-to-end encryption has become common in messaging apps, protecting conversations so that only the people involved can read them. Now, researchers have developed a way...

Scientists Reveal a Universal Pattern Hidden in Quantum Matter

Different types of matter can sometimes behave in surprisingly similar ways when they reach a critical point between two states. Scientists call this phenomenon “universality.” At...

Why a Planet’s Slow Spin Could Turn It into a Scorching World Like Venus

Why did Earth become a comfortable home for life while its similar-sized neighbor Venus turned into a scorching world with a crushing atmosphere? Scientists think...

Atom-Thin Carbon Film Could Make Future Computer Chips Faster and More Efficient

As computer chips become smaller and more powerful, the tiny wires inside them are creating a growing problem. Researchers in Singapore have now developed an...

A Mother’s Age May Leave a Molecular Memory in Her Children

A mother’s age can influence the health and development of her offspring, and this effect appears across much of the animal kingdom. But scientists still...

OpenAI introduces ChatGPT for Teens. What do teachers think?

Since ChatGPT’s introduction in the fall of 2022, educators have been trying their best to navigate artificial intelligence’s explosion into the classroom. On one hand,...

Astronomers Find a Flaw in a Cosmic Yardstick Used for 50 Years

For more than half a century, astronomers have relied on a basic assumption when estimating the number of stars inside distant galaxies: stars of...

‘Rainbow on a Chip’ Could Help Power Future 6G Networks and Quantum Technologies

Scientists have developed a tiny “rainbow on a chip” that can produce multiple extremely precise high-frequency signals, a technology that could eventually support faster...

AI Finds Hidden Heart Problem in Simple Scans

A routine heart ultrasound may contain hidden clues about a serious blood-flow problem that doctors normally need a more specialized test to measure. Researchers at...

Physicists Predict a New Form of Quantum Matter That Holds Itself Together

Physicists have predicted a surprising new form of quantum matter that can form tiny, stable droplets capable of holding themselves together without an external...

New Nonmetallic Coating Could Block More Than 80% of Radiant Heat

Researchers have developed a new type of thin, nonmetallic coating that can dramatically reduce heat transfer between nearby objects. The technology could eventually help control...

FEATURED

How a theory of the universe helps us understand blood vessels, brains, and trees

For more than a hundred years, scientists have puzzled over a simple question: why do natural networks—like blood vessels, neurons, tree branches, and plant...

Scientists find a cheap and fast way to trap carbon in rocks

Stanford University scientists have found a practical and affordable way to remove carbon dioxide (CO2) from the air and store it permanently. This could be...

Life elements could have been generated in asteroids, shows NASA study

Using new analyses, scientists have just found the last two of the five informational units of DNA and RNA that had yet to be...

Affordable viologen batteries: a promising alternative to vanadium

Researchers at the Korea Institute of Energy Research have developed a new, more affordable technology for large-capacity energy storage systems, known as redox flow...

Earth’s ancient weak magnetic field may have fueled the rise of life

Millions of years ago, during a period called the Ediacaran, from about 635 to 541 million years ago, Earth experienced a dramatic increase in...