Linux fréttir

UK toughens Online Safety Act with ban on self-harm content

TheRegister - Tue, 2025-09-09 06:29
Charities welcome change, but critics warn the law is already too broad

Tech companies will be legally required to prevent content involving self-harm from appearing on their platforms – rather than responding and removing it – in a planned amendment to the UK's controversial Online Safety Act.…

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Use it or lose it: AI may cause you to forget some skills

TheRegister - Tue, 2025-09-09 04:58
Prepare to take tests in stuff you already know how to do, just to keep you sharp

Using AI may cause some of your skills atrophy, and your employer therefore needs to take steps to keep you sharp.…

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Forget disappearing messages – now Signal will store 100MB of them for you for free

TheRegister - Tue, 2025-09-09 03:33
Including messages sent to users, a potential problem for the privacy-conscious

Encrypted messaging app Signal is rolling out a free storage system for its users, with extra space if folks are willing to pay for it.…

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Warming Seas Threaten Key Phytoplankton Species That Fuels the Food Web

Slashdot - Tue, 2025-09-09 03:30
An anonymous reader quotes a report from the Associated Press: For decades, scientists believed Prochlorococcus, the smallest and most abundant phytoplankton on Earth, would thrive in a warmer world. But new research suggests the microscopic bacterium, which forms the foundation of the marine food web and helps regulate the planet's climate, will decline sharply as seas heat up. A study published Monday in the journal Nature Microbiology found Prochlorococcus populations could shrink by as much as half in tropical oceans over the next 75 years if surface waters exceed about 82 degrees Fahrenheit (27.8 Celsius). Many tropical and subtropical sea surface temperatures are already trending above average and are projected to regularly surpass 86 degrees Fahrenheit (30 Celsius) over that same period. "These are keystone species -- very important ones," said Francois Ribalet, a research associate professor at the University of Washington's School of Oceanography and the study's lead author. "And when a keystone species decreases in abundance, it always has consequences on ecology and biodiversity. The food web is going to change." Prochlorococcus inhabit up to 75% of Earth's sunlit surface waters and produce about one-fifth of the planet's oxygen through photosynthesis. More crucially, Ribalet said, they convert sunlight and carbon dioxide into food at the base of the marine ecosystem. "In the tropical ocean, nearly half of the food is produced by Prochlorococcus," he said. "Hundreds of species rely on these guys." Though other forms of phytoplankton may move in and help compensate for the loss of oxygen and food, Ribalet cautioned they are not perfect substitutes. "Evolution has made this very specific interaction," he said. "Obviously, this is going to have an impact on this very unique system that has been established." The findings challenge decades of assumptions that Prochlorococcus would thrive as waters warmed. Those predictions, however, were based on limited data from lab cultures. For this study, Ribalet and his team tested water samples while traversing the Pacific over the course of a decade.

Read more of this story at Slashdot.

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Citrix products sold under old licenses will get glitchy unless users upgrade

TheRegister - Tue, 2025-09-09 01:49
Brace for ‘loss of functionality’ next April, and an upsell conversation before that deadline

Citrix on Monday advised its customers that products acquired under its current file-based licensing system will experience “loss of functionality and potential impacts on end-users” next April, and that upgrading to a new cloudy licensing scheme is the way to avoid potential problems.…

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