Ah, Benny's parents, thanks for coming.

Hiya.

So, Benny has really blossomed this term.

You're telling me, he outgrew his bike. We sold it, on eBay.

Oh, that's not quite what I meant.

It's free to sell on there.

Free to sell?

Easy too. Sold Benny's bike, your guitar, my jacket.

You sold my guitar?

Shall we talk about Benny?

When it's this easy to sell for free, you can't help but say when it's eBay.

Things people love. T's and C's apply, excludes vehicles.

Novartis. Committed to making innovative medicines for a world of patients and their families, online at Novartis.com.

Novartis, think what's possible.

Welcome to Science Talk, the podcast of Scientific American,

for the seven days starting June 21st.

I'm Steve Mursky.

This week on the podcast, renowned biologist and writer Edward O. Wilson.

He gave a talk last week at the American Museum of Natural History here in New York City.

We'll hear a few clips from that appearance, after which I had a chance to speak with him,

and we'll also play that interview.

Plus, we'll test your knowledge about some recent science in the news.

...