Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. Who doesn’t love a good math holiday? Most people know about Pi ...

Dec. 15, 2025 Natural killer cells act as the immune system’s rapid-response team, but the stress of anxiety and insomnia may be quietly thinning their ranks. A study of young women in Saudi Arabia ...

Putting a list into random order might seem like an unusual task, but it can be quite useful for many businesses. For example, you might want to randomly assign leads to salespeople, assign jobs to ...

A laser is usually constructed from two basic elements: a material that provides optical gain through stimulated emission and an optical cavity that partially traps the light. When the total gain in ...

Are you worried about online privacy? Not a fan of anticompetitive practices? Maybe you just want a new take on web search? These 12 search engines beat Google in many ways.