Semi-structured block play among preschool-age children has the potential to improve two skills - mathematics and executive functioning - critical to kindergarten readiness, according a new study.

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 ...

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Holdings from the library at the Goddard Space Flight Center, which includes unique documents from the early 20th century to the Soviet space race, will be warehoused or thrown out. By Eric Niiler Our ...

Explore a wide range of mathematical research, including surprising discoveries in gaming, math puzzles, prime numbers and encryption.