Computers

The cyanobacteria system runs using sunlight and water.

Researchers Use Algae to Power a Computer for Months

The experiment suggests that cyanobacteria 'batteries' could run small devices

AIM users could log on and instantly ping messages back and forth, remotely chatting with friends, colleagues and loved ones.

In the 25 Years Since Its Launch, AOL Instant Messenger Has Never Been 'Away'

While some aspects of AIM seem like relics of a different version of the internet, others remain deeply embedded in the social media landscape

The metal gallium becomes a liquid at slightly above room temperature, one of its many remarkable properties that researchers are investigating.

This Liquid Metal Could Transform Soft Electronics

Bend it. Stretch it. Use it to conduct electricity. Researchers are exploring a range of applications that harness gallium's unusual properties

A patient uses the gameChange virtual reality program.

Inside the Effort to Expand Virtual Reality Treatments for Mental Health

Medical professionals are embracing the technology to help patients deal with PTSD, anxiety disorders and more

Still from Black Mirror: Bandersnatch (2018). 

The Surprisingly Long History of 'Choose-Your-Own-Adventure' Stories

From the 'I Ching' to an upcoming Netflix rom-com, interactive fiction dares us to decide what happens next

Homo heidelbergensis, a species whose skull is pictured here, likely lived in regions that overlapped with Neanderthals in Europe and Homo sapiens in Africa—according to climate modeling results released this week.

How Did Climate Change Affect Ancient Humans?

Sophisticated climate models were paired with evidence from the archaeological record to reveal where ancient humans may have lived and evolved

Neural data are decoded and analyzed in real time to control the speller software.

Brain Implants Allow Paralyzed Man to Communicate Using His Thoughts

This study marks the first time a completely paralyzed patient regained the ability to communicate at length, researchers say

This image shows the Wordle instruction page.

Why the Online Game Wordle Went Viral, According to Psychology

Users are sharing their game grids, which show how they played without spoiling the answer for others

A 1996 copy of "Super Mario 64"—rated 9.8, or A++, on the Wata Scale—sold last Sunday for $1.56 million.

'Super Mario 64' Is Now the World's Most Expensive Video Game

A pristine copy of the 1996 game sold at auction for $1.56 million, breaking a record set by "The Legend of Zelda" just two days prior

In work and in personal life, virtual communication kept us in touch during Covid — but oh, those endless Zoom meets! There’s psychological and sensory science behind why they wear us down, and much promise to be realized once we iron out the wrinkles.

How the Pandemic Has Revealed the Promise and Perils of Life Lived Online

For good and for bad, Covid has propelled us even faster into immersive communication technologies

A Covid-19 restrictions sign hangs outside a supermarket in Austin, Texas. Lauren Ancel Meyers at the University of Texas at Austin has shared her team’s modeling results with city officials who make decisions about Covid-19 measures.

What Data Scientists Learned by Modeling the Spread of Covid-19

Models of the disease have become more complex, but are still only as good as the assumptions at their core and the data that feed them

Researchers have developed this theoretical model to explain the workings of the Antikythera mechanism, the 2,000-old ancient Greek device that is often referred to as the "first computer."

Scientists May Have Discovered How the Ancient Greeks' 'First Computer' Tracked the Cosmos

Researchers proposed a new theoretical model for the Antikythera Mechanism, a 2,000-year-old device used to chart the universe

Artificial Intelligence has been used to help caregivers focus on patients most at-risk, sort threats to patient recovery and foresee spikes in facility needs for things like beds and ventilators.

How Doctors Are Using Artificial Intelligence to Battle Covid-19

Software is helping to shape treatment, but experts worry that some tools are approved too soon and others are biased

A student does her remote learning at a Boys and Girls Club in Reading, Pennsylvania.

Ten Research-Backed Tips on Parenting in a Digital Era

With screen time at a high during the Covid-19 pandemic, two educators offer some advice

Teaching computers to assess the emotional tone of a piece of writing—a task called sentiment analysis—is becoming more widely used as researchers, companies and even mental health professionals delve into people’s social media musings for insights.

How Algorithms Discern Our Mood From What We Write Online

While sentiment analysis is far from perfect, it distills meaning from huge amounts of data—and could one day even monitor mental health

Picture of the top and bottom sides of the chips with integrated microfluidic cooling, next to the miniaturized power converter

A New System for Cooling Down Computers Could Revolutionize the Pace of Innovation

A Swiss team has created tiny, fluid-filled channels in microchips to spirit away heat and save energy

As the researcher taps the page, numbers appear on screen.

With a Simple Piece of Paper, Engineers Create Self-Powered, Wireless Keyboard

Scientists at Purdue University have found a way to make a piece of paper digitally interactive

Two sociable weaver birds being recognized by a new artificial intelligence-powered software.

This A.I. Can Recognize Individual Birds of the Same Species

Humans can’t reliably tell birds of the same species apart, limiting our ability to study their behavior, but the new A.I. is 90 percent accurate

Facial reconstruction of a Scandinavian hunter-gatherer who was buried with a wooden stake at the base of his skull

See the Face of a Man Whose Skull Was Mounted on a Stake 8,000 Years Ago

A forensic artist used 3-D scans of the hunter-gatherer's cranium to envision what he may have looked like in life

NASA is asking volunteers to help label photographs of the Martian surface to help the Curiosity rover avoid obstacles like loose sand.

You Can Help Teach the Curiosity Rover to Drive on Mars

The rover isn’t quite eight years old, but NASA thinks it’s time that Curiosity becomes more independent

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