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 Cs Apply, Exclusive vehicles.

Welcome to Science Talk, the weekly podcast of Scientific American posted on October 15th, 2010. I'm Steve Merski. When you think of Harlem,

maybe the famed Apollo Theater comes to mind, or the music and literary movement known as the

Harlem Renaissance. Well, there's a new Harlem Renaissance in science. A couple of Saturdays

ago, I headed to the corner of 125th Street in Adam Clayton Powell Boulevard

for a science fair under the auspices of the Harlem Children Society.

The society is the brainchild of molecular geneticist Sat Batacharya.

I spoke to him at the outdoor poster session.

Tell me about this event and give me the history of this entire project.

Well, I started the program 10 years ago at Sloan Kettering Cancer Center in my laboratory

...