Science

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Japan’s new electric spoon makes food taste saltier without actual salt

Known as the Electric Salt Spoon, the device was developed through a collaboration with researchers from Meiji University and went on sale in Japan in May 2024 in limited numbers. The spoon uses a mild electric current to concentrate sodium ions on the tongue’s taste receptors, making food taste saltier without adding extra salt. Users […]

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A space humanoid uses four arms to assist astronauts

Orbit Robotics developed Helios based on a simple idea: robots built for space shouldn’t be modeled after systems designed for gravity. The outcome is a striking four-armed machine that may look futuristic, but reflects a highly practical vision for space operations. The company says Helios divides its four arms into two functional pairs. One pair

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The galaxy’s coldest “stars” could actually be enormous structures built by aliens

Astronomers could potentially detect Dyson swarms by searching for unusually cool, smooth infrared emissions surrounding long-lived stars. Since physicist Freeman Dyson first proposed the concept in 1960, the “Dyson sphere” has become one of the most prominent hypothetical technosignatures in the search for advanced extraterrestrial intelligence. A highly advanced civilization might surround its star with

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Why Excessive Supplement Use May Be Damaging Your Health

Dietary supplements are often marketed to support healthy aging, but their benefits for older adults depend on individual nutritional needs and whether there are any existing nutrient deficiencies that need to be corrected. The use of dietary supplements has increased significantly in recent years. Vitamins, minerals, and other nutritional supplements are often marketed as easy

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Russia says its cancer vaccine is ready and will be free worldwide

Russian authorities have announced the development of an experimental mRNA-based cancer vaccine, using the same technology employed in some COVID-19 vaccines. Early reported results suggest it may help slow tumor growth and reduce metastasis in certain patients. Global Access Promise and Scientific Attention Officials claim that, if clinical trials and regulatory approvals are completed successfully,

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France introduces an artificial heart capable of working without the need for a donor

France has revealed a breakthrough artificial heart that functions without a donor, marking a major step forward in heart medicine. The French company CARMAT created the artificial heart, known as Aeson, to support patients with advanced heart failure while they wait for a transplant. Artificial Heart for Advanced Heart Failure Created for patients suffering from

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NASA’s Psyche spacecraft used Mars’s gravity for a slingshot maneuver to adjust its path

NASA’s Psyche spacecraft used Mars as a gravity slingshot while traveling toward a metal-rich world that may help uncover what lies inside planets like Earth. On May 15, NASA’s Psyche spacecraft flew just 2,864 miles (4,609 kilometers) above Mars in a successful close pass. The spacecraft used Mars’ gravity to gain speed and adjust its

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New technology may lower high blood pressure without drugs

Researchers at Pennsylvania State University in the United States have created a 3D-printed hydrogel implant that may offer a way to treat high blood pressure without medication. The device, named CaroFlex, was tested in rats by implanting it near the carotid artery. In short trials lasting about ten minutes, it reduced blood pressure by more

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China has opened a school where humanoid robots learn real-world tasks

For years, artificial intelligence existed mostly on screens. Chatbots generated text, algorithms created images, and ever more advanced systems dominated the tech conversation. But away from traditional computers, a quieter race has emerged. The new challenge is no longer just teaching machines to think — it’s training humanoid robots to move, handle objects, and operate

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Study suggests hantavirus may persist in semen for years

A 2023 study published in the scientific journal Viruses found hantavirus genetic material in semen up to six years after infection. Researchers focused on the Andes virus—a rare strain linked to the MV Hondius cruise ship outbreak and known for its ability to spread between humans. The study tracked a 55-year-old man who contracted the

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