New calcium battery lasts 1,000 cycles, offering lithium alternative

As the world moves toward renewable energy and electric vehicles, the need for better batteries is becoming more urgent. Today, most devices — from...

Astronomers spot one of the earliest galaxy clusters ever discovered

Astronomers using two of NASA’s most powerful space telescopes have discovered a massive cluster of galaxies forming much earlier in the universe than scientists...

5,300-year-old drill discovery rewrites history of ancient Egyptian technology

A small metal object discovered more than a century ago is changing what scientists know about ancient Egyptian technology. Researchers from Newcastle University and the...

Smartwatches could detect depression relapse weeks before symptoms return

A simple wearable device such as a smartwatch could one day help prevent the return of major depression by warning people weeks or even...

Did two moons crash to create Titan? New study uncovers dramatic origin story

Saturn’s giant moon Titan and the planet’s famous rings may share a dramatic origin story. A new study suggests that Titan could have formed when...

Think before you type: Study warns AI chats may expose your private life

As artificial intelligence chat tools become part of daily life at work, school, and home, many people may be sharing more personal information than...

New 3D printing ink made from wood waste can be recycled with water

3D printing has changed how products are designed and manufactured, allowing engineers and designers to create complex objects layer by layer from digital models. The...

New tree-inspired cooling method could solve AI data center heat crisis

Artificial intelligence is transforming the world, but it comes with a hidden cost: enormous heat. Modern AI data centers pack thousands of powerful processors into...

Robotic arm can feel like part of the body—if it moves at the right...

As artificial intelligence advances, future prosthetic arms may be able to move on their own to assist users with daily tasks. But for these devices...

Scientists create “liquid solar battery” that works without electricity

One of the biggest challenges of renewable energy is what happens when the sun is not shining. Solar panels produce electricity during the day, but...

Yangtze river fishing ban sparks dramatic wildlife comeback after 70 years

After decades of environmental decline, the Yangtze River is showing early signs of recovery thanks to a sweeping fishing ban introduced by China in...

How an extinct Hawaiian Ibis adapted to life after sunset

Islands are known for producing unusual animals, and a newly studied extinct bird from Hawaii may be one of the strangest yet. Scientists have discovered...

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Why toothpaste and cement harden over time

Take a look inside the cap of your favorite toothpaste, and you might see hard, white residue, a firm version of the smooth paste...

Orbit changes help create complex life on Earth

Scientists at the University of Southampton have discovered that changes in Earth's orbit may have allowed complex life to emerge and thrive during the...

5 myths about single-use plastic

Stand in the soda pop aisle at the supermarket, surrounded by rows of brightly colored plastic bottles and metal cans, and it’s easy to...

Scientists find new state of matter in a one-dimensional quantum gas

As the story goes, the Greek mathematician and tinkerer Archimedes came across an invention while traveling through ancient Egypt that would later bear his...

Scientists find baby stars hatch from stellar eggs near galaxy’s center

Astronomers have found stellar eggs containing baby stars around the center of the Milky Way galaxy. To make the discovery, the scientists used NSF's Atacama...