Beth Skwarecki is Lifehacker’s Senior Health Editor, and holds certifications as a personal trainer and weightlifting coach. She has been writing about health for over 10 years. Double unders are ...

Remember back in grade school, when jumping rope at the playground or in your backyard was a totally fun, carefree activity? Whether you did Double Dutch or skipped to Miss Mary Mack, you probably ...

Bethany Hamilton lost her left arm in a shark attack when she was 13 years old Georgia Slater is a staff editor on the Parents team at PEOPLE. She has been working at PEOPLE since 2018. Her work has ...

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