Science

The Incredible Physics of Simone Biles’ Yurchenko Double Pike

Gymnastics is an extremely difficult sport, but some people make it look easy. Step forward Simone Biles, who hit a Yurchenko double pike—considered the “hardest vault in the world”—during the artistic gymnastics Women’s Team event at the 2024 Summer Olympics. With both the Women’s Vault and Women’s All-Around events still to come, …

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One Couple’s Tireless Crusade to Stop a Genetic Killer

In retrospect, it might have been a clue. But in early 2010, when Kamni Vallabh first began to complain that her eyesight was failing, there didn’t seem to be much cause for concern. She was 51; maybe middle age was catching up with her. Maybe the harsh western Pennsylvania winter—two …

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How to Take the Perfect Soccer Penalty

The penalty was invented in England on February 14, 1891. It was the last minute of an FA Cup quarter-final between Notts County and Stoke City when a defender for County stopped a shot on the line with his hand. Stoke were awarded a free kick just centimeters from the …

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