Finding the right book can make a big difference, especially when you’re just starting out or trying to get better. We’ve ...

Python -O won’t magically make every script faster, but in the right workloads it’s a free win—here’s how to test it safely.

Sarah Connor is a Reviews Editor for Popular Mechanics. She also contributes to Runner’s World, Bicycling, Best Products, and Biography.com. Before joining the Hearst Magazines team, Sarah was a ...

Signal is the best sexting app for most people, and it was a favorite among the experts I spoke with. This encrypted messaging app isn’t a place to find new sexting buddies, but it is a great app for ...