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Sports and science intersect as youngsters determine the strength of hockey sticks and design bike helmets for optimum safety, durability and style.

Wind is the topic. Two young people design a kite while another crafts a wind tunnel to test race cars.

Topic: forensics. Included: Florida's Metro-Dade Police Department Crime Lab Bureau.

Engineering designs. Included: a hovercraft, toy eyeballs and a boat made of milk cartons.

We don't have an overview translated in English. Help us expand our database by adding one.

We don't have an overview translated in English. Help us expand our database by adding one.

Topic: speed. Included: speedskating moves; how tire pressure affects mountain-board speed; NASCAR car design.

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Learning about caves and investigating the world of reptiles. Included: exploring California caves. Also: lizards, bats and malformed frogs.

Learning about the trajectory of basketball shots and the science of sports. Included: how little kids can beat bigger kids at tug-of-war; how motion-analysis investigation can lead to home runs.

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Dogs are featured. Included: evaluating sled dogs; canine color-blindness.