The central limit theorem started as a bar trick for 18th-century gamblers. Now scientists rely on it every day.

A yellow school bus packed with community leaders, volunteers and golden trophies rolled through Collier County Monday ...

In this simulation, 66 of the 100 needles crossed a line (you can count ’em). Using this number, we get a value of pi at 3.0303—which is not 3.14—but it's not terrible for just 100 needles. With ...