Changes to microbes that live in the gut can identify people at greater risk of Parkinson’s disease long before symptoms develop, according to work that also raises hopes for new therapies. Researchers discovered signature changes in the gut microbiome that are more pronounced in people with a genetic risk for Parkinson’s and even more stark…
Two new experiments show that most people do not even consider that a personal message could be AI-generated, even when they themselves use artificial intelligence to write. To see how people judge someone based on their writing in the age of ChatGPT, my colleague Jiaqi Zhu and I recruited more than 1,300 U.S.-based participants, ages…
Older workers are stereotyped as less competent, less trainable, and less adaptable by their younger colleagues, influencing how they are viewed by management, a University of Queensland study has found. Associate Professor Chad Chiu from UQ’s Business School said surveys conducted across workplaces in Australia and Taiwan found consistent evidence that younger workers were less…
Get the Popular Science daily newsletter💡 Breakthroughs, discoveries, and DIY tips sent six days a week. Mountain lions (Puma concolor, cougars, pumas, among its many other names) are carnivorous, sharp-toothed and clawed big cats. They can be dangerous to livestock, pets, and the occasional human—but their cubs sure are adorable. And absolutely vulnerable, when left…
Along the western coast of Southern Thailand, a series of bright tan beaches lines the Andaman Sea. These sandy expanses fill the gaps between the myriad other features touching the sea, from limestone karst towers to mangroves to built-up areas. The OLI (Operational Land Imager) on Landsat 8 captured these images on March 23, 2026,…
I recently switched back to the Linux desktop, and just in time, because GNOME 50 is now making its way to the latest crop of Linux distributions—and it comes with many of the features I have waited years to see. A desktop that adapts to any monitor GNOME now feels at home on your new…
April 20, 2026 2 min read Add Us On GoogleAdd SciAm Ancient ‘machine-gun’ damage discovered on walls of Pompeii Recently uncovered damage to walls in Pompeii displays patterns that may have been made by an ancient “machine gun” called a polybolos By Taylor Mitchell Brown edited by Andrea Thompson A view of the northern fortification…
Sales of electric cars soared 51% in continental Europe last month, amid a rise in petrol and diesel costs driven by the Iran war. Data shows that 224,000 new electric vehicles (EVs) were registered in March, and 500,000 across the first three months of the year – a 33.5% increase on a year earlier, according…
Big data, artificial intelligence and advanced pricing algorithms make it easier than ever for companies to fine-tune prices for individual products to closely reflect their unique value and cost. The conventional wisdom is straightforward: better data, better algorithms and sharper segmentation should produce better profits. But new research suggests that the most profitable answer isn’t…
The altar to Sol was pierced from behind so that light could shine through. (Image credit: © National Museums Scotland) QUICK FACTS Name: Altar to Sol What it is: A carved sandstone altar Where it is from: Inveresk, Scotland When it was made: Second century Before construction workers began building a new cricket pavilion in…
