Levels in Lakes Mead and Powell have not been so low since 1957, underscoring a water crisis that plagues seven states that rely on the Colorado River.
Caltech scientists have created ultra-low-loss optical pathways on silicon chips that approach the efficiency of fiber optics and dramatically outperform existing technology at visible wavelengths. The breakthrough could unlock more powerful lasers, miniature atomic sensors and clocks, quantum systems, and more energy-efficient data centers.
Researchers combined synthetic DNA with a semiconductor to create an ultra-low-power memory device capable of storing and processing information in the same place. The bio-hybrid technology could eventually help make AI systems and next-generation computers far more energy efficient.
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It was the second federal appellate decision to take issue with the administration’s custom of leaving interim prosecutors in place to lead U.S. attorney’s offices to circumvent congressional approval.
China is exporting more than A.I. models. It wants its data to influence the world’s chatbots, raising fears that Beijing’s narratives will spread with the technology.
An experimental Alzheimer’s compound prevented damaging protein clumps from forming in the brains of mice, helping nerve cells survive longer and reducing amyloid buildup. The treatment also appeared to improve heart health and slow some signs of aging, raising hopes for an entirely new way to combat dementia.
Researchers have uncovered a surprising way triple-negative breast cancer may turn the body against itself. Tumors appear to recruit macrophages—immune cells normally involved in healing and fighting infection—and use them to release a protein called BDNF that draws nerves into the tumor. Those nerves may then help the cancer grow, resist treatment, and potentially spread.
Astronomers may finally have a clue to what happens to the mysterious “little red dots” that crowded the early universe. By studying a spiral galaxy nicknamed the “Saguaro,” researchers found a compact, bright red center that closely resembles these distant objects—but with something Webb usually can’t see around them: a full galaxy. When the team simulated what the Saguaro would look like much farther away, its spiral structure essentially vanished, leaving only the bright red core.
Scientists have discovered that tiny, sharply curved wrinkles in graphene can dramatically alter its electrical behavior, creating surprisingly strong charge separation. The finding suggests future electronics could be tuned by reshaping materials at the atomic scale instead of changing what they’re made of.
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Finding 'Gangaichthys indonepalicus' required hand pumping over 600 gallons of water. The post TikTok helps scientists discover new underground, translucent eel in India appeared first on Popular Science .
The 13th-century remnants of St. Clare’s are hidden beneath a soccer field in Roskilde. The post Danish town plans for underground parking garage, finds long-lost medieval convent appeared first on Popular Science .
Photographs from citizen scientists and whale watchers help identify the cetaceans off the coast of Patagonia. The post Southern right whales have bumpy ‘fingerprints’ on their heads appeared first on Popular Science .
Prosecutors accuse Duane Davis of orchestrating 1996 shooting in retaliation for attack by rapper’s entourage The trial of a former gang leader accused of orchestrating the 1996 killing of rap star Tupac Shakur began in a Las Vegas courtroom on Monday, featuring testimony from a witness to the shooting and a former police officer. Duane “Keffe D” Davis is on trial for murder for his alleged role in the shooting of Shakur, who died after a drive-by shooting. Prosecutors allege Davis was the “on-the-ground, on-site commander of the effort to kill Tupac” and that he planned the shooting in retaliation for Shakur’s entourage attacking Davis’s nephew. Continue reading...
MPs, friends and campaigners gathered to remember former Cambridge professor after his death on Friday Tens of thousands of people gathered in Trafalgar Square in London to remember and pay tribute to Jason Arday, the former Cambridge professor who died on Friday. Stand Up to Racism, which organised the vigil, estimated that 30,000 mourners had gathered in the square to listen to emotional speeches from MPs, friends and campaigners on Arday’s life and legacy and join in a minute’s silence. Many were dressed in black and held flowers, which they were asked to leave beneath Nelson’s column. People also carried placards reading “rest in power”. Continue reading...
Controversial project has faced bipartisan opposition by critics who say it mars pristine environmental area in Texas Construction on a US-Mexico border project in Big Bend national park has halted, the Trump administration said Monday, as Customs and Border Protection (CBP) evaluates the controversial project in Texas. “CBP is pausing all construction activity in Big Bend National Park while I visit and conduct a personal, on-the-ground evaluation,” CBP’s head, Rodney Scott, wrote in a social media post. Continue reading...
A Palestinian American whose home in the occupied West Bank has been besieged by Israeli settlers for over a week has arrived there to help family members defend the property.
Deal on gambling bill between Labor and Coalition expected after party rooms meet today. Follow today’s news live Get our breaking news email , free app or daily news podcast Chalmers calls gambling amendments ‘very substantial changes’ Treasurer Jim Chalmers says the opt-out register on gambling advertising will be revenue neutral, because the gambling industry will have to cover the costs. These changes that we’re proposing are very substantial changes. And they will make it much easier for people to opt out of this advertising. At the same time, as we make it easier for the regulator to enforce the rules around inducements. I understand people’s concern about inducements. And the minister and the government does as well. I think primarily there’s an important role for the regulator to crack down on and enforce these inducements. There’s absolutely no doubt that the implementation of the reforms has made everything worse for older Australians … the government’s got a lot to do to fix the implementation of these once-in-a-generation reforms that should have and could have and still can be what they were intended to be, but they just aren’t being rolled out like that. If the automation that we’re seeing in aged care is transferred over into the NDIS, yes I have very serious concerns about that. We saw 250,000 older Australians reassessed under aged care. Are we talking over 750,000 Australians who live with disability who possibly need to be reassessed? If they’ve got an algorithm that’s as botched as the one we’ve got in aged care, well we would have very serious concerns and certainly we’ll be raising those matters. Continue reading...
The defense began its work on Monday in the case of Lindsay Clancy, the Massachusetts woman on trial for killing her three children. Her mother and sister took the stand and Shanelle Kaul has the details.
Thirteen former and current Penn State students, and one student's father, are facing charges related to an alleged cocaine ring. Prosecutors allege drugs were cut and packaged at two frat houses, sometimes by pledges. Michael George reports.
The eye of Lala passed just 30 miles off the Big Island of Hawaii's coast over the weekend, but it was the rain that caused catastrophe for its residents. Jonathan Vigliotti reports.
With no signs of foul play or trauma, authorities said the investigation into actor Hayden Panettiere's death is just beginning. The former child star was on "Guiding Light" and also had breakout roles in "Heroes" and "Nashville." She died at 36 years old. Mark Strassmann reports.
Trump also claims he’s ‘actually making it much safer’ for South Korea by scaling back joint military drills just days after North Korea test-fired ballistic missiles Sign up for the Breaking News US email Republican senator Thom Tillis deplored Trump’s decision to cut US military drills with South Korea , which comes despite military officials from both countries warning that Kim Jong-un ’s regime is learning new battlefield expertise, including new drone tactics, from assisting Russia with its war in Ukraine . Tillis wrote on X: South Korea has been a solid military ally for over 70 years that possesses exquisite military capabilities. Reducing joint exercises with South Korea does nothing more than free up thousands of North Korea’s troops to support Putin’s systematic kidnapping, torture, rape, and murder of innocent Ukrainian citizens. Continue reading...
Lindsay Clancy has pleaded not guilty to murdering her children, but her attorneys don't deny that she caused the deaths of 5-year-old Cora, 3-year-old Dawson and 8-month-old Callan.
President Trump has ordered the Pentagon to scale back its joint military exercises with South Korea after he said the country declined to join the U.S.'s efforts to denuclearize Iran. CBS News Pentagon reporter Eleanor Watson has more details.
A new New York Times report has found that your choice in emojis could give some insight into your age and demographic. Eve Washington, the writer of the piece, joined "The Takeout" to discuss.
President hosts Nathanial Rai and lifeguard Ryder Williams at White House after video of California rescue went viral Nathanial Rai had been swept off his feet along the California coast, was rescued by a 16-year-old lifeguard – and was now sitting in the Oval Office with Donald Trump. Of the rescuer, Ryder Williams , Trump said to Nathanial: “He’s a real hero. I don’t know if I’d do it. Continue reading...
The baby was born with hypoplastic left heart syndrome, which requires a series of surgeries. The parents had asked the surrogate to get an abortion when they learned of the diagnosis.
Ayatollah Mojtaba Khamenei’s appointment of hard-line loyalists to top jobs suggests he is prepared to keep the country on a war footing and to quash domestic dissent.
Intercepted communications and other intelligence suggest a strategic shift by hard-line leaders to raise the costs for the U.S. and its regional allies.
The president also voted by mail in 2020 and in a Florida special election in March, even as he has railed against the practice and equated it to cheating.
President Trump wants to curtail military exercises with South Korea, saying they were hostile to North Korea. But under Mr. Kim, the North has become increasingly belligerent toward the South.
President Trump said a cease-fire agreed in June would lead to limits on Iran’s nuclear program and finish the conflict, but the countries appear far apart.
The new data on vaccine exemptions during the 2025-26 school year come just a week after President Trump signed an executive order calling to scale back childhood shots.
Some entrepreneurs, including Mark Cuban, are publicly worried about the potential fallout from California’s proposal to impose a special billionaire tax.
Through sheer determination, Neena Nizar has become the first patient in a clinical trial testing a treatment for her disease — one so rare it affects just 30 people worldwide.
An eight-year Finnish study found that children who spent more time on screens tended to show better cognitive processing as teenagers, challenging common assumptions about screen use. Researchers say the key may be balancing physical activity with screen activities that encourage learning, creativity, and active thinking.
Nature invented biodegradable plastic long before humans did—and animals may have been feeding on it for hundreds of millions of years. Researchers discovered that dozens of animal species possess enzymes capable of breaking down microbial bioplastics called PHAs, a talent once thought to belong only to microorganisms.
However, keeping tabs on these four-inch-long freshwater creatures can get a bit sticky. The post Scientists put tiny backpacks on crayfish appeared first on Popular Science .
Shorter courses of antibiotics are not always a bad idea. ScienceAlert stories are written, fact-checked, and edited by humans, never generated by AI. Don't miss a story, subscribe here.
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A committee said the volrustomig combination was unlikely to reach either of the primary endpoints for the trail, but the company said other Phase 3 volrustomig trials would continue as planned.
A neighborhood beyond the Tiber became home to generations of Jewish and Syrian migrants who reshaped the imperial capital. The post Ancient Rome: A City of Immigrants appeared first on JSTOR Daily .
Scientists are searching some of Earth’s oldest rocks for tiny fossils that could reveal how simple microbial life made the extraordinary leap toward plants, animals, and other complex organisms. Solving that ancient mystery may also help determine whether complex life could emerge on worlds beyond Earth.
The NAHB/Wells Fargo Housing Market Index inched up to 35 in August from 34 in July as concerns about high mortgage rates, rising construction costs and the economy persisted.
The Japanese economy managed to notch a third straight quarter of growth, but weaker spending slowed the pace of expansion, potentially complicating matters for the central bank.
The dollar fell to a 10-week low against a basket of currencies after U.S. data—including weak jobs and retail sales figures—prompted markets to further trim bets on U.S. rate rises.
The Federal Reserve Bank of New York said that its statewide manufacturing index of business conditions rose to 20.6, its highest reading in four years.
Oil futures settled higher as the U.S. and Iran vied for control over the Strait of Hormuz and President Trump said he’s in no hurry to resolve the conflict.
Madison Air, which provides air-quality solutions, said the acquisition will add to its portfolio of new products that will help customers improve uptime, efficiency and productivity.
Paramount’s $111 billion deal to acquire Warner Bros. Discovery has been postponed until the conclusion of a trial, a delay the studio says could cost it millions of dollars.
Lenders to other Clayton Dubilier & Rice portfolio companies are pushing for tighter protections after the private-equity firm’s aggressive tactics in the label maker’s chapter 11.
Safeway is closing additional stores as parent company Albertsons Companies reassesses its retail footprint following the collapse of its proposed $24.6 billion merger with Kroger.
A lone male roves the Arizona mountains, and a female has been spotted just across the border in Mexico. The sightings raise hopes for the species, despite serious threats.
Japan avoided a major disaster after a 6.8-magnitude earthquake hit last month. Our reporter River Akira Davis visited Kumamoto, a prefecture near the epicenter, to see how it built quake-proof buildings and infrastructure.
Residents of Pahala were stranded after parts of a key highway collapsed under heavy rain. All roads leading to the town and its hospital, on the southern end of the Big Island, are now blocked.
Hurricane Lala did not make landfall, but left behind destroyed roads and homes across Hawaii. Lala was downgraded to a tropical storm after moving away from the Big Island.
A low-fat vegan diet may help people lose weight without counting calories, shrinking portions, or feeling constantly hungry. In a 16-week clinical trial, people eating mostly fruits, vegetables, grains, and legumes consumed about 357 fewer calories per day even though the total amount of food they ate barely changed.
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The DIY project is better suited as a learning tool than a jam session instrument, but it's still ingenious. The post 3D-printed ‘balloon banjo’ is ready for pickin’ appeared first on Popular Science .
The company said Monday that Li Shufu, also known as Eric Li, would step down as its chairman effective Tuesday while remaining chairman of Zhejiang Geely Holding.
With her usual irreverent humor, the playwright Sophie McIntosh mines the experiences of four young, cooped-up women at a Manhattan reformatory in 1917.
Her abduction as a child became a national story. In a new true crime podcast, Smart speaks to survivors of violent crimes about what they endured and the lifelong process of healing.
In May, she published a memoir after a tumultuous decade that involved depression, substance abuse, losing custody of her daughter and stints in rehab.
Your fellow drivers will thank you too. ScienceAlert stories are written, fact-checked, and edited by humans, never generated by AI. Don't miss a story, subscribe here.
Road closures and parking restrictions are expanding across Downtown Washington, D.C., as crews prepare for the first-ever IndyCar Freedom 250 Grand Prix around the National Mall.
In August, the brown bears spread out to find salmon. The post Don’t worry, Katmai’s brown bears didn’t vanish from Brooks Falls appeared first on Popular Science .
New York City provided four hours of free babysitting to hundreds of families. Parents used the time to reconnect with each other and to tackle chores uninterrupted.
A new look at recent population changes in the United States shows a definite pattern in where people choose to live. All five states that top the leaderboard for population growth sit either in the South or the Rocky Mountains.
The delay comes after Luigi Mangione pleaded guilty in federal court on Friday to stalking that led to the death of Brian Thompson, a health care executive.
Mr. Mangione pleaded guilty to stalking charges in the killing of Brian Thompson, a health insurance executive, a calculated gamble by his defense team.
Readers respond to the Kennedy Center Board’s vote to inscribe President Trump’s name on the building. Also, winning the A.I. race; a slogan for Democrats.
One member of staff and one contractor were killed and 13 others were injured in the strike on a facility belonging to ArcelorMittal Kryvih Rih over the weekend.
President Donald Trump on Monday congratulated the 16-year-old Santa Cruz lifeguard who was captured on camera last month saving a 10-year-old boy from violent waves in the Pacific Ocean.
After the authorities responded to a 911 call in Greenville, S.C., an initial police investigation found no evidence of “foul play or suspicious circumstances.”
Prosecutors said Duane Keith Davis participated in the shooting as an act of gang retaliation, while the defense pointed to what it described as a lack of hard evidence.