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Math

Solving Yahtzee

Sometimes described as poker with dice, Yahtzee is an immensely popular game. Its manufacturer, Hasbro, claims that as many as 100 million people worldwide play the game regularly. Yahtzee involves rolling five dice with the aim of obtaining favorable scoring combinations. For example, rolling five of a kind scores 50 points, whereas rolling three of […]

Earth

Fallen Trees? Scotch pines emit nitrogen oxides into the air

Northern pine forests may exude nitrogen oxides—a contributor to smog and acid rain—in quantities that rival those produced by industry and traffic worldwide.

Humans

Science Flair: Top U.S. science and engineering students reap recognition, rewards

Forty finalists in the 2003 Intel Science Talent Search received recognition and more than $500,000 in scholarships for their efforts toward solving original problems in science and engineering.