Tessellations aren’t just eye-catching patterns—they can be used to crack complex mathematical problems. By repeatedly reflecting shapes to tile a surface, researchers uncovered a method that links ...

For more than a century, scientists have wondered why physical structures like blood vessels, neurons, tree branches, and other biological networks look the way they do. The prevailing theory held ...

iOS 26 is full of features and options you may have missed that can fix some of its frustrating issues. With more than a decade of experience, Nelson covers Apple and Google and writes about iPhone ...

CNN’s 5 Things PM brings you the stories you might have missed during your busy day.