Arched feet didn't evolve to give us a spring in our step – but to
Experts used to think the arch was a lever to propel the body forward, but now researchers believe it developed to help us walk on two feet
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Study finds Humans evolved spring-like arches to help walk on two feet
Curve on shoes makes walking easier, but may lead to foot problems — Harvard Gazette
Tennis - Page 725 - The Telegraph
Walking This Many Steps Daily May Reduce Risk Of Early Death
Can a Jellyfish Unlock the Secret of Immortality? - The New York Times
Tennis - Page 725 - The Telegraph
The Benefits of Walking (Infographic)