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Lifeguards on night patrol saw an olive ridley sea turtle dig into the sand and lay eggs near Seal Beach in Southern California on Sept. 16, and a second turtle nest, possibly from the same animal,…
Surface warming has sped up in particular regions since 1970, and the speed-ups did not begin everywhere at once: their onset dates run from the 1980s to the 2010s. That is the finding of a study…
A team at KAIST has published the design and energy accounting behind RAIBO2, a four-legged robot that covered a full marathon on a single battery charge. The run itself dates from 2024 and was…
Researchers at ETH Zurich report that a dense, strongly magnetized rock body lies buried beneath the Dewar region on the Moon's far side, and that magnetizing it would have taken a field of at least…
The National Snow and Ice Data Center announced that Arctic sea ice most likely reached its annual low on Sept. 12 at 4.60 million square kilometers, tying this year with 2008, 2010 and 2025 for the…
Mohammed Azhar of Tufts University, Manoochehr Shirzaei of Virginia Tech and colleagues have measured how fast the ground is sinking along the coasts of the United States, and report that 71.5% of…
An open-access study published Sept. 22 in Geophysical Research Letters reports that greenhouse gases released since the 2015 UN Paris Agreement have already made Europe's summer heat extremes more…
Wastewater surveillance run alongside clinical testing through Ontario's 2025 measles outbreak followed the epidemic closely but did not warn of it in advance, a team from the University of Windsor,…
An international working group led by the German Society for Infectious Diseases has published a consensus guideline for personalized bacteriophage therapy, the treatment of a bacterial infection…
A team at Aarhus University injected light-sensitive nanoparticles into the eyes of blind mice and recorded light responses in the animals' visual cortex, in a paper published Sept. 22 in Nature…
Anthropic released Claude Opus 5.5 on Sept. 22, 2026, and priced it below the model it replaces, at $4 per million input tokens and $20 per million output tokens, 20% less than Claude Opus 5. The cut…
A NASA-funded team has found an amoeba in a hot spring in California's Lassen Volcanic National Park that reproduces at 63 °C (145 °F), hotter than any organism with a cell nucleus had been recorded…