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Phys.org / Mammal cloning cannot be endless: Mouse line fails at generation 58

There is a limit on how many times a mammal can be cloned before suffering "mutational meltdown," Japanese scientists have discovered, after making 1,200 clones over two decades that started off with a single mouse.

2 hours ago
Phys.org / Electronics of the future: Ultra-efficient graphene switch developed at nanometer scale

A team of researchers from Tel Aviv University, in collaboration with colleagues from Japan, has taken an important step toward the next generation of electronics. The scientists achieved highly precise control of the internal ...

2 hours ago
Tech Xplore / New bifacial solar cells yield efficiencies above 32%

Solar cells, devices that can convert sunlight into electricity, are now widely used in many countries worldwide. Over the past few years, energy engineers have been exploring alternative designs that could further boost ...

4 hours ago
Phys.org / NASA to build $20 bn moon base, pause orbital lunar station plans

NASA's chief on Tuesday said the US space agency will invest $20 billion to develop a base on the moon, while suspending its plans to create the lunar orbital space station known as Gateway.

2 hours ago
Phys.org / Why Americans think they won't benefit from Social Security

Social Security's trust funds are projected to run out by 2035, but that doesn't mean retirees will be left with nothing. New research from the Cornell SC Johnson College of Business reveals that most Americans misinterpret ...

1 hour ago
Medical Xpress / Cerebrospinal fluid biomarker improves diagnosis of Parkinson's disease and Lewy body dementia

An international consortium has achieved a major breakthrough in the diagnosis of neurological diseases. In a recent publication in the journal Nature Medicine, they describe the discovery of a new quantitative biomarker ...

2 hours ago
Phys.org / Why cooperative workplaces boost your sense of freedom

Jack Welch, the legendary General Electric CEO, was infamous for firing the bottom 10% of his workforce every year, without exception. The company's market cap rose substantially during Welch's tenure, but his "rank and yank" ...

2 hours ago
Tech Xplore / Generative AI-powered forecasting for sustainable urban development

Researchers introduce a novel generative AI-driven framework, MMCN (Memory-aware Multi-Conditional generation Network), for forecasting future urban layouts by jointly considering building density, building height, transportation ...

1 hour ago
Medical Xpress / Touch and temperature: How special fats fine-tune our senses

Our ability to feel a harmful touch or sense dangerous heat relies on specialized receptor proteins embedded in nerve cell membranes. But how do these receptors maintain their exquisite sensitivity? In a new study, researchers ...

1 hour ago
Phys.org / Continued monitoring of sunken Soviet submarine shows ongoing radioactive leakage, but little impact

In 1989, the Soviet nuclear-powered attack submarine Komsomolets sank to the bottom of the Norwegian Sea, along with its nuclear reactor and two nuclear warheads onboard. Komsomolets was constructed with a titanium alloy ...

5 hours ago
Medical Xpress / Online intervention helps cancer patients share genetic testing results with family

When a person with cancer finds out they carry an inherited genetic variant that puts them at higher risk of cancer, the results can help inform their treatment or steps to prevent additional cancer.

1 hour ago
Phys.org / Boron arsenide semiconductor sets record in quantum vibrations

You may not be able to hear it, but all solid materials make a sound. In fact, atoms—bound in lattices of chemical bonds—are never silent nor still: Under the placid surface of each and every object in our surroundings, ...

3 hours ago