The United States Track and Field Records Children Eight Years Old and Younger

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There's generally a very small advantage before puberty, but that really enlarges at around age ten is when my understanding that starts. And those ages don't all disappear once tustasron is blocked in adult hood, and astrogen goes up. So just picture the boy crosses the finish line, and then count one, one thousand,. two, one thousand, three, one thousand. She's not even in the stadium yet. I mean, this is to see that white lin yr.

In episode 204, Michael Shermer speaks with codirector of undergraduate studies in the Department of Human Evolutionary Biology at Harvard University, Carole Hooven, PhD about testosterone. While most people agree that sex differences in human behavior exist, they disagree about the reasons. But the science is clear: testosterone is a potent force in human society, driving the bodies and behavior of the sexes apart. But, as Hooven shows in T, it does so in concert with genes and culture to produce a vast variety of male and female behavior. And, crucially, the fact that many sex differences are grounded in biology provides no support for restrictive gender norms or patriarchal values. In understanding testosterone, we better understand ourselves and one another — and how we might build a fairer, safer society.