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It might not seem like there's enough information to solve these logic puzzles at first—but that's part of the fun!

(And adults, of course!) These math puzzles test your brain and critical-thinking skills and provide some constructive, educational fun. Math riddles and puzzles come in plenty of different varieties.

Show puzzle solution For simplicity, let’s assume that the small squares have a side length of 1. The figure consists of 25 small squares, so the full final square must have a side length of 5.

Dec. 9, 2024 — Researchers found that adolescents with more symptoms of gaming addiction showed lower brain activity in the region involved in decision-making and reward processing; this blunted ...

Rapp is a research administrator and former research biologist who has created puzzles for the New York Times, Los Angeles Times and other publications.

Show puzzle solution The commuter has walked for 55 minutes before his wife picks him up. Because they arrive home 10 minutes earlier than usual, this means that his wife has chopped 10 minutes ...

Can you find the four-pointed star in the picture in this brain teaser puzzle within 5 seconds? Test your observation skills ...

Jan. 19, 2025 — Ecologists have identified significant ecological risks associated with the release of hybrid groupers into Hong Kong's coastal waters, a practice ...

Explore daily insights on the USA TODAY crossword puzzle by Sally Hoelscher. Uncover expert takes and answers in our ...

Scroll through artwork by the teenage winners of our Coming of Age in 2024 contest. Then, tell us how well the collection captures your feelings and experiences. By Katherine Schulten When ...