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Iran’s Arak heavy water nuclear facility was damaged by Israeli bombing Shutterstock Editorial Israeli strikes on Iranian nuclear sites are raising fears of a harmful radioactive accident, including from the director general of the International Atomic Energy Agency (IAEA) – but experts have told New Scientist that the risks are minimal, despite reports of radiological and Continue Reading
NASA’s Advanced Air Mobility vision involves the skies above the U.S. filled with new types of aircraft, including air taxis. But making that vision a reality involves ensuring that people will actually want to ride these aircraft – which is why NASA has been working to evaluate comfort, to see what p***engers will and won’t Continue Reading
This full-disk image from NOAA’s GOES-13 satellite was captured at 7:45 a.m. EDT (11:45 UTC) and shows the Americas on June 21, 2012, the start of astronomical summer – in the Northern Hemisphere – that year. The first day of summer in 2025 is June 20; it is also the longest day of the year. Continue Reading
AI companions like Replika are designed to engage in intimate exchanges, but people use general-purpose chatbots for block talk too, despite their stricter content moderation policies. Now new research shows that not all chatbots are equally willing to talk dirty. DeepSeek is the easiest to convince. But other AI chatbots can be enticed too. Huiqian Continue Reading
Hackers are after your personal data, for profit EThamPhoto/Alamy Make sure you use a good mix of characters. Avoid your pet’s name. Most of all, never reuse a pblockword. We all know the rules for ensuring that the keys to our digital kingdoms remain secure, and we probably all break them – and that is Continue Reading
Sitting in the shade is one easy way to avoid the sun’s UV rays Paul Biggins/Alamy People have been trying to protect their skin from the sun since at least the time of the ancient Egyptians, and we have known for more than a century that ultraviolet (UV) light exposure is linked to burns and Continue Reading
An illustration of NASA’s Relay 1 satellite, the precursor to Relay 2 NASA A satellite that had been dead for decades suddenly blasted out a powerful radio pulse that briefly outshone every other object in the sky. Astronomers think the flash may have been caused by a freak micrometeorite impact or a random spark. NASA’s Continue Reading
MIT researchers have designed a compact, low-power receiver for 5G-compatible smart devices that is about 30 times more resilient to a certain type of interference than some traditional wireless receivers. The low-cost receiver would be ideal for battery-powered internet of things (IoT) devices like environmental sensors, smart thermostats, or other devices that need to run Continue Reading
In April, Mark Zuckerberg, as tech billionaires are so fond of doing these days, pontificated at punishing length on a podcast. In the interview, he addressed America’s loneliness epidemic: “The average American has—I think it’s fewer than three friends. And the average person has demand for meaningfully more. I think it’s like 15 friends or Continue Reading
But the full picture is not so simple. Weight loss isn’t always healthy and neither is restricting your calorie intake, especially if your BMI is low to begin with. Some scientists warn that, based on evidence in animals, it could negatively impact wound healing, metabolism and bone density. This week let’s take a closer look Continue Reading
