Fog collection could alleviate water stress in desert cities

Water harvesting from foggy air provided up to 5 liters of water a day in a yearlong Chilean desert experiment.
Science and Technolgy blog
Water harvesting from foggy air provided up to 5 liters of water a day in a yearlong Chilean desert experiment.
Nicole Xu reached into a Styrofoam tank to grasp a live moon jellyfish. Quickly and carefully, she inserted a tiny electronic device into the animal. “It takes a little bit of practice,” she says. “But once you know how to…
A recent study published in the journal Cyberpsychology: Journal of Psychosocial Research on Cyberspace has shed light on the various reasons why people use the popular dating application Tinder. Researchers discovered that individuals fall into distinct groups based on their…
The tomb of Thutmose II, a pharaoh who ruled about 3,500 years ago, has been discovered west of the Valley of the Kings.
Signal, as an encrypted messaging app and protocol, remains relatively secure. But Signal’s growing popularity as a tool to circumvent surveillance has led agents affiliated with Russia to try to manipulate the app’s users into surreptitiously linking their devices, according…
A dead galaxy shouldn’t produce bursts of radio light. Yet this 11 billion-year-old one did — throwing scientists for a loop.
Regular physical activity is widely recognized for its benefits to physical health, including improved heart function and weight management. Now, new research suggests that exercise may also directly enhance brain function. A study published in the journal Aging Cell has…
Over the past few years, Google has embarked on a quest to jam generative AI into every product and initiative possible. Google has robots summarizing search results, interacting with your apps, and analyzing the data on your phone. And sometimes,…
Scientists can now explain the prevailing unpredictability of contact electrification, unveiling order from what has long been considered chaos. Static electricity—specifically the triboelectric effect, aka contact electrification—is ubiquitous in our daily lives, found in such things as a balloon rubbed…
Over the weekend, the Trump administration fired several frontline responders to the ongoing H5N1 bird flu outbreak—then quickly backpedaled, rescinding those terminations and attempting to reinstate the critical staff. The termination letters went out to employees at the US Department…
For a while now, many AI researchers have been working to integrate a so-called “world model” into their systems. Ideally, these models could infer a simulated understanding of how in-game objects and characters should behave based on video footage alone,…
After launching its AI Pin in April 2024 and reportedly seeking a buyout by May 2024, Humane is shutting down. Most of the people who bought an AI Pin will not get refunds for the devices, which debuted at $700,…
President Trump yesterday issued an executive order declaring sweeping power over agencies that were created to operate independently from the White House. The order declares that “officials who wield vast executive power must be supervised and controlled by the people’s…
The nearly 5,000-year-old fortress in Spain has a much more recent burial dating to the Roman era.
A winter storm is hitting the U.S. with record-breaking cold and heavy snow. Is the polar vortex to blame?
Two spiritual practices that appear vastly different on the surface – the quiet focus of Buddhist jhāna meditation and the emotionally expressive Christian practice of speaking in tongues – may share a common underlying mechanism for achieving deep states of…
Valve’s updates to its classic games evoke Hemingway’s two kinds of going bankrupt: gradually, then suddenly. Nothing is heard, little is seen, and then, one day, Half-Life 2: Deathmatch, Day of Defeat, and other Source-engine-based games get a bevy of modern…
Morgan & Morgan—which bills itself as “America’s largest injury law firm” that fights “for the people”—learned the hard way this month that even one lawyer blindly citing AI-hallucinated case law can risk sullying the reputation of an entire nationwide firm.…
Researchers think the Indigenous roads were more about cosmology than traffic.
A close-up shot of microplastics resting on a human finger.
As expected, Apple has released a new low-end iPhone into its lineup to replace the aging iPhone SE. The iPhone 16e is a 6.1-inch phone with an edge-to-edge OLED screen and a display notch, an Apple A18 processor inside (similar…
On Wednesday, Microsoft released an update on its efforts to build quantum computing hardware based on the physics of quasiparticles that have largely been the domain of theorists. The information coincides with the release of a paper in Nature that…
Using hormonal birth control methods, such as “the pill,” may increase users’ risk of blood clots, strokes and heart attacks, a new study has found. However, even then, a person’s overall risk of these conditions is still low.
A mysterious bronze spoon unearthed on the Isle of Man is rare evidence of ancient ritual in Europe.
“I’ll always remember the first time I saw those iridescent clouds and was sure at first it was some color artifact.”
A man who should have developed early-onset Alzheimer’s disease due to a genetic mutation is still symptom-free in his 70s. Scientists are trying to understand why.
Women and their parents report that intelligence is more important than physical attractiveness in a long-term partner, yet when forced to choose, they both favor a more attractive mate—even when the less attractive option is described as more intelligent. This…
Windows 11 made our recent roundup of our least favorite “enshittified” products, which will come as no surprise to those of you who have followed our coverage of it over the years. What began as a more visually cohesive coat…
Formula 1 racing turns 75 this year. The sport has been under new management for a few years and is now owned by an American entertainment company that’s interested in trying new things to grow the sport—a refreshing change from…
The charge transferred when identical objects touch depends on their history, scientists find.
Microsoft scientists have created a quantum processor that taps into a rare state of matter that was first theorized in the 1930s, paving the way for a processor with a million qubits within years.
A groundbreaking new study provides the first consistent global picture of glacier decline since 2000, revealing that glaciers across the world have lost a whopping 5% of their volume since then.
An asteroid discovered late last year is continuing to stir public interest as its odds of striking planet Earth less than eight years from now continue to increase. Two weeks ago, when Ars first wrote about the asteroid, designated 2024…
A specific gene variant seen in people is likely one of many that contributed to the development of language in modern humans, scientists say. And it changes how mice squeak.
A new study has found that your friends might have a pretty good idea of whether you are truly ready for a serious romantic relationship. Researchers discovered that people and their friends generally agree on how prepared someone is for…
Two bands of radiation called the Van Allen belts encircle Earth. After a May 2024 solar superstorm, two more showed up between those belts.
A study of adolescents in China found that survivors of childhood trauma exhibit blunted cardiovascular responses to social stress. When exposed to social stress, these individuals experienced smaller changes in heart rate and blood pressure. This diminished response was associated…
It’s official: The year 2024 was indeed the hottest on record. It was also the first year in recorded history that Earth’s average temperature was higher than 1.5 degrees Celsius (2.7 degrees Fahrenheit) above preindustrial times. What’s important about that increase?…
A metal sword broken into three pieces may be evidence of a Germanic warrior’s burial from the Roman Empire.
Hyundai provided flights from Washington, DC, to Palm Springs and accommodation so Ars could drive the new Ioniq 5. Ars does not accept paid editorial content. PALM SPRINGS, Calif.—Can it really have been four(ish) years since we first drove the…
Hyundai provided flights from Washington, DC to Palm Springs and accommodation so Ars could drive the new Ioniq 5. Ars does not accept paid editorial content. PALM SPRINGS, Calif.—After a very pleasant morning getting acquainted with the model year 2025…
Researchers have discovered that our desire for dessert, even when full, is controlled by the brain. The same brain cells that tell us we are full after a meal also trigger our craving for sugary treats afterwards, according to new…
A man went to hospital complaining about weakness in his left leg, and subsequent brain scans revealed a surprising finding.
Unlike workers at many other federal agencies this week, probationary employees at NASA were not terminated on Tuesday. For much of the day employees at the space agency anticipated a directive from the White House Office of Personnel Management to…
Most PC games that you can play on a modern PC would run faster on an Nvidia RTX 5080 or 5090 than, say, a GTX 1070. But some games, from a particular phase of enthusiasm for particles, destructible environments, and…
On Monday, Elon Musk’s AI company, xAI, released Grok 3, a new AI model family set to power chatbot features on the social network X. This latest release adds image analysis and simulated reasoning capabilities to the platform’s existing text-…
Spending hours each day connected to the internet through our smartphones has become the norm for many. However, new research indicates that taking a break from this constant online access can lead to noticeable improvements in mental health, overall happiness,…
PC-manufacturer Acer has said that it plans to raise the prices of its PCs in the US by 10 percent, a direct response to the new 10 percent import tariff on Chinese goods that the Trump administration announced earlier this…
If you know just one thing about FromSoft’s recent history of so-called “Soulslike” games, you probably know that they have a well-earned reputation for absolutely brutal difficulty. But these titles apparently just weren’t difficult enough for streamer dinossindgeil (aka Nico)…
Here’s everything you need to know about how to see the first “blood moon” total lunar eclipse since 2022, and the only one visible from North America this year, when it rises in March.