Drawing on her research into the science of play, evolutionary biologist Carole K. Hooven delves into how testosterone impacts the body and brain, interacting with culture to create differences in human behavior — starting with why boys tend to prefer rougher play than girls. If you love watching TED Talks like this one, become a TED Member to support our mission of spreading ideas: Follow TED! X: Instagram: Facebook: LinkedIn: TikTok: @tedtoks The TED Talks channel features talks, performances and original series from the world's leading thinkers and doers. Subscribe to our channel for videos on Technology, Entertainment and Design — plus science, business, global issues, the arts and more. Visit to get our entire library of TED Talks, transcripts, translations, personalized talk recommendations and more. Watch more: TED's videos may be used for non-commercial purposes under a Creative Commons License, Attribution–Non Commercial–No Derivatives (or the CC BY – NC – ND 4.0 International) and in accordance with our TED Talks Usage Policy: For more information on using TED for commercial purposes (e.g. employee learning, in a film or online course), please submit a Media Request at #TED #TEDTalks #testosterone
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