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Welcome to Scientific American Science Talk posted on September 26, 2016.

I'm Steve Murski. On this episode,

If you can imagine these scenes from old westerns, you know, where there's two guys

standing apart from each other and they pull out their guns, you know, and the first one to

shoot is the winner. Well, it's kind of liked out for sex in flatworms, except instead of guns,

it's penises. That's Karen Bondar. She's a biologist, a TV presenter, and fortunately a writer,

with a particular interest in sex. Her new book is called Wild Sex, which was also the title

of her popular web series. Wild sex in this case does not mean the end tables are getting knocked over.

She's talking about sex out in the wild among animals who are not just boring human beings.

Bondar was in New York recently on a book tour.

We spoke at Scientific American.

Karen, another book that I cannot read on the subway.

Just because of the big title and the cover picture.

Yeah, it's a bad plain read.

It's a bad, plane read, train read.

This is a book to read in the privacy of your home, maybe in the bathtub with some candles.

...