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Butt Month

The butt is packed with information. What does it tell us about human evolution? About genetic privacy? About the past and the future? Every Tuesday in September, Massive is going deeper on butt science

Strong butt muscles are the key to sprinting at an elite level

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Instead of the hamstrings, your butt is the real motor behind lightning-fast sprint speeds, at least if you're an elite male sprinter

Margaux Lopez, Vera C. Rubin Observatory

Escaping through a predator's butt is a common strategy for prey

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Sahana Sitaraman, National Centre for Biological Sciences, India

How did human butts evolve to look that way?

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An evolutionary anthropologist tackles the mystery of the butt

Darcy Shapiro, Rutgers University

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Cats communicate with the help of bacteria living in their butts

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Lauren Sara McKee, KTH Royal Institute of Technology

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Ancient dog bones tell us what was on the menu for both dogs and humans

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Jaime Chambers, Washington State University

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