Sci-Tech news

• How gross is it to leave a toothbrush exposed in the bathroom?

  22-08-2026 19:19 via popsci.com
  
  You put your toothbrush in your mouth. You store it in your bathroom, near your toilet. If that’s something you’d rather not think about, I understand.In 2015, a grad student at Quinnipiac University found fecal matter on toothbrushes in communal bathrooms, research that was presented at the annual meeting of the American Society for Microbiology. It was certainly attention grabbing, prompting widespread media coverage. But besides driving clicks, and making people feel generally unc
  
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• New Fat Bear Week children’s book turns Katmai’s famous bears into wrestlers

  22-08-2026 16:14 via popsci.com
  
  The bears of Katmai National Park and Preserve in Alaska are gorging on salmon and packing on the pounds ahead of the long winter. With the days growing shorter, it means that the annual Fat Bear Week tournament is just around the corner.A new children’s book, Big Fat Bear Battle!, celebrates the famous bears. Written by Alaskan author Brooke Hartman and illustrated by Can Tugrul, the book follows reporters Goldie Fox and Moose McMahon, as they cover a wild competition between Alaska&rsquo
  
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• 5 tricks you can do on Android but not iOS

  22-08-2026 14:00 via popsci.com
  
  Android and iOS have competed against each other since 2008, and have borrowed a lot from each other over that time—so a lot of the differences that did exist between these two operating systems have now disappeared.However, Android and iOS are still unique in some ways. It’s worth knowing these differences so you can make the most of the handset you have, and perhaps make a more informed decision as to whether you want to switch OS the next time you upgrade your phone.Put two apps o
  
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