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The goals of a major push for football helmet safety should bring improvements, but the overall results remain unpredictable.

Chris Gorski, Editor

Scientists utilize fluid dynamics to optimize fins for shredding the gnar.

Olivia Trani, Contributor

The recent marathon world record highlights a useful way for parents to exercise.

Chris Gorski, Editor

The amateur playing with reigning Masters champ Jordan Spieth relies on physics knowledge and a unique set of clubs.

Peter Gwynne, Contributor

A new polymer material reduces the force of collisions.

Marsha Lewis, Contributing Producer

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