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Mark Defant

Mark Defant

Tenured professor of geology and geochemistry at the University of South Florida who also writes and speaks on evolutionary psychology and gender roles.

Dec 19, 2025

2:13
And then continue to launch in because this is fascinating.
2:17
Okay, well, give me a heads up if I'm running down the wrong track here.
2:22
I was talking about how our large brains have forced women to have babies early before the brain is fully developed.
2:31
And as a consequence, we have the birth of pretty helpless animals.
2:37
You know, it's very different in much of the animal kingdom because when a baby giraffe is born, boy, they're pretty much up and running within the first few hours of life, whereas it takes years for humans to reach full development.
2:55
And then there's another thing going on here, which Darwin knew about.
2:59
when he was studying evolution and that is that it's not all about natural selection, a natural selection being that the fittest survive, uh, in the animal kingdom.

16 MINS LATER

19:07
Let's talk about that.
12:51
So yes, take it away.
12:53
Well, I'll briefly get into it then.
12:55
Um, What biology finds is that there are differences in the animal kingdom, humans included, differences between men and women.
13:04
I think most of us, if you're not a sociologist, knows that.
13:08
But for some reason in sociology, in feminist studies in particular, there seems to be this idea that men and women are the same behaviorally, even though we have very different physical differences.
13:24
But evolutionary psychology is looking at it from a different perspective.
13:29
We're trying to understand why there are behavioral differences between men and women.

6 MINS LATER

19:24
And then continue to launch in because this is fascinating.
Donald TrumpSOUNDBITE_SPEAKER
7:16
one of the top feminists in
7:18
this field claimed that men use rape to subjugate women.
7:24
And when you start looking at who rapes and why they rape, it turns out to be a whole different story.
7:31
And you can see why I'm worried about the rigor in feminist studies when they seem to be in this echo chamber where They get a good idea of what they think is a good idea, and then everybody just expounds on that, and nobody goes into the lab to test what they're saying.
7:47
And that's where I have the real problem.
7:49
Let's get back to rape, though.
7:52
Rape has some interesting characteristics.

6 MINS LATER

13:25
Why wouldn't the stronger of the species be the head of the household?

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