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The super El Niño could cause torrential rainstorms. Americans may need to stock up on food to prepare, experts say.
Science News

The super El Niño could cause torrential rainstorms. Americans may need to stock up on food to prepare, experts say.

Researchers have warned all summer that this year's El Niño could be record-breaking and fuel extreme weather across the globe. Earlier this month, the U.K. Secretary of State for Environment, Food and Rural Affairs urged people in Britain to stock up on food, bottled water and other basic supplies to prepare for potential severe storms this winter."We're about to experience probably the largest El Niño that has ever been seen," Dame Angela Eagle told The Guardian on Sept. 3. "If you’ve got a store of a bit of food that can keep you going for a while before the emergency services can get to you, you’re going to be a lot better off than if you haven't."But could extreme weather really limit a...

📅 2026-09-29 10:15:00    •    Live Science
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Newly discovered iron minerals might hold primordial water from when Earth formed
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Newly discovered iron minerals might hold primordial water from when Earth formed

Newly discovered iron minerals could be the missing link in how water is stored in the deepest parts of Earth's mantle and transported to the upper layers, recent research reveals. The findings are crucial for understanding the mantle's motion, volcanic activity and the workings of other rocky planets, the study authors say.The researchers discovered the iron minerals, called iron oxyhydroxides, by squishing mineral samples between two tiny diamond anvils while zapping them with a laser.The two iron minerals are stable at the conditions found at the boundary between Earth's core and its mantle (the planet's middle layer), which is under "more than a million times the pressure we feel at the ...

📅 2026-09-29 10:00:00    •    Live Science
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AI tool for mapping smallholder crops proves itself in Senegal
Research Institutions

AI tool for mapping smallholder crops proves itself in Senegal

AI tool for mapping smallholder crops proves itself in Senegal Anonymous (not verified) Tue, 09/29/2026 - 08:00 A new analysis of Senegalese croplands using an artificial intelligence developed at the University of Cambridge shows how technological benefits enjoyed by industrial agriculture could be brought to smallholder farms in Senegal and other countries in the Global South.Researchers used Cambridge’s Tessera, an open-source AI model trained on satellite images, to map crops in Senegal’s groundnut basin. They found that Tessera was more accurate than current methods, getting the right result 84% of the time in tests while using only a fraction of computational resources and pre-labelled...

📅 2026-09-29 07:00:00    •    Cambridge News
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Who we become when we talk to machines
Research Institutions

Who we become when we talk to machines

Brian, a middle-aged financial consultant, spends his day sitting in front of three screens. Two of them involve his job. The third features a chatbot, which he has given a woman’s name and frequently uses. Brian spent years on the road for work earlier in his career, has never married, and recently broke up with a woman who said he was emotionally unavailable. What did Brian do, in response? He asked the chatbot if the woman had a point. “It’s an extraordinary moment,” writes MIT Professor Sherry Turkle, who interviewed Brian (not his real name) while conducting her research for her new book about chatbots. “Brian asks an object with no emotions to tell him if he is emotionally withholding:...

📅 2026-09-29 04:00:00    •    MIT News
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The effects of an “algorithmic monoculture” depend on the details
Research Institutions

The effects of an “algorithmic monoculture” depend on the details

AI tools are increasingly replacing human judgements in some settings. For instance, resume screening algorithms are often used in hiring, where they may improve efficiency and consistency in decision-making.But some scholars have raised concerns that the adoption of automated systems could eventually result in one algorithm being used to make all decisions in a particular industry. They worry so-called algorithmic monoculture could have negative consequences.For example, in hiring, the thinking goes that algorithmic monoculture might result in systematic exclusion — a situation in which a job candidate rejected by one firm’s algorithm would likely also be rejected by every other firm’s algo...

📅 2026-09-29 04:00:00    •    MIT News
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Powered by muscle cells, a paper-thin robot swims through watery maze
Research Institutions

Powered by muscle cells, a paper-thin robot swims through watery maze

Swimming can take a lot of muscle. But as MIT engineers have found, even a single layer of muscle cells can power through water if designed right. In a paper appearing today in the journal Advanced Functional Materials, the team presents a design for a thin, muscle-powered swimming robot. The “skeleton” of the aquabot is made from a film of gel that is about the length and width of a stick of gum. The two halves of the gel form the “fins” of the bot. Each fin is covered with a layer of live muscle cells that is much thinner than a single strand of hair. The cells are genetically engineered to twitch in response to light. When the researchers shine light on one fin, the muscles on its surface...

📅 2026-09-29 04:00:00    •    MIT News
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Scientists expected these Galápagos sea turtles to wander. They stayed put
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Scientists expected these Galápagos sea turtles to wander. They stayed put

Yellow-morph green sea turtles in the Galápagos surprised scientists by staying remarkably close to home instead of making the long journeys typically associated with sea turtles. Satellite tracking showed that none left the marine reserve during the study, revealing just how important the islands’ coastal habitats may be to their survival.

📅 2026-09-29 03:12:23    •    ScienceDaily
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Hidden stem cells may be fueling spinal stenosis
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Hidden stem cells may be fueling spinal stenosis

Scientists have discovered a stem cell that appears to serve as a master source for tendon and ligament cells throughout the body. In lumbar spinal stenosis, these cells become unusually active and may drive the ligament overgrowth that squeezes spinal nerves and causes pain, numbness, and difficulty walking. Researchers found that reducing calcium signaling stopped this abnormal growth in mice.

📅 2026-09-29 02:36:52    •    ScienceDaily
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Tracking researchers in Ukraine through war and armed conflict: The limits of free scholarly mobility
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Tracking researchers in Ukraine through war and armed conflict: The limits of free scholarly mobility

A study based on publication data traces how researchers moved within Ukraine and across borders between 2009 and 2022, with conflict-affected regions losing scholars while others became increasingly important destinations. These shifts were already underway after Russia illegally annexed Crimea and fighting began in the Donbas in 2014, underscoring that scholarly mobility during conflict cannot simply be understood as a matter of free choice.

📅 2026-09-29 02:00:01    •    Phys.org
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Scientists find new virus behind mysterious tick illness
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Scientists find new virus behind mysterious tick illness

Scientists have discovered a new tick-borne virus in China that causes flu-like illness and may account for previously unexplained cases of fever, fatigue, digestive problems, and low platelet counts. Most patients with ALTNV alone recovered, but coinfections with another dangerous tick-borne virus were linked to more serious complications.

📅 2026-09-29 01:45:25    •    ScienceDaily
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How Bolsonaro's statements destroyed the rainforest
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How Bolsonaro's statements destroyed the rainforest

Former Brazilian President Jair Bolsonaro contributed to deforestation through statements opposing forest conservation, according to an international study led by the University of Bonn. The study found that destruction of the Amazon rainforest accelerated when Bolsonaro and his ministers posted messages opposing forest conservation on Twitter. Brazil's environmental authorities were greatly weakened during Bolsonaro's presidency, but the analysis suggests that even a perceived low risk of punishment was a driver of deforestation. The researchers estimate that the statements contributed to the destruction of up to 1,700 square kilometers (660 square miles) of forest—almost double the area of...

📅 2026-09-29 00:20:01    •    Phys.org
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When microbial DNA is scarce, new profiling method helps separate genuine signals from contamination
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When microbial DNA is scarce, new profiling method helps separate genuine signals from contamination

In acute, life-threatening infections, rapidly characterizing the microorganisms in a patient sample can help guide diagnosis and treatment. Computational methods known as taxonomic profilers can analyze metagenome sequencing data generated from the microorganisms' genomic information and compare it with reference genomes of individual microorganisms. However, taxonomic profilers are still under development and are not yet in common use. Current methods can produce false-positive results or inaccurate abundance estimates.

📅 2026-09-29 00:00:01    •    Phys.org
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Plasma treatment helps reveal how molecular coatings dope silicon
Science News

Plasma treatment helps reveal how molecular coatings dope silicon

Controlling dopant concentration near the silicon surface is increasingly important for ultrashallow junctions and nanoscale devices. Mixed monolayer doping (MMLD) offers a surface-chemistry-based approach in which dopant-containing molecules are mixed with nondopant molecules to tune the amount of dopant available at the silicon surface before thermal diffusion.

📅 2026-09-28 23:20:04    •    Phys.org
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