Puzzle 1: You are given nine gold coins that look identical. You are told that one of them is fake, and that this coin weighs ...

We all have our quirks behind the wheel. Maybe you’re guilty of hugging the left lane like it owes you money, or perhaps you ...

From a dog sledding adventure in Norway to an African safari and glaciers in Patagonia, South America, here are places we ...

A movement to help students understand rather than memorize has had sprawling effects, including pushback on teaching methods ...

Researchers at China's National University of Defense Technology (NUDT) have accelerated a one-ton vehicle from a dead stop ...