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job title and more start converting your b2b audience into high quality. Spent 200 euro on your first campaign and get a free 200-euro credit for the next one. Go to LinkedIn.com slash XXX to claim your offer. Terms and conditions apply. Welcome to Science Talk, the weekly podcast of Scientific American for the seven days starting the 4th of July. I'm Steve

Mirsky. This week on the podcast, we'll hear about a big 4th of July guy, Benjamin Franklin,

with historian and author Joyce Chaplin. Plus, we'll test your knowledge about some recent science

in the news. First up, Joyce Chaplin, we originally played a much shorter edited version of this

interview on the April 26th, 2006 podcast.

But there was a great deal of Ben Franklin conversation we didn't have time for on that episode.

And since it's the 4th of July, here's the entire discussion we had last April.

To put things into context, 2006 marked Franklin's 300th birthday.

Of course, in addition to being a diplomat and publisher,

he was a first-rate scientist, and Harvard historian Joyce Chaplin had come out with a Franklin

biography that concentrated on his science. I call Chaplin at our home in Cambridge, Massachusetts.

Dr. Chaplin, thanks for talking to us.

Thank you.

First, the name of the book, The First Scientific American, Benjamin Franklin and the Pursuit of Genius,

let's tell everybody that you are not in any way affiliated with Scientific American.

That's just a coincidence with the book titles.

Exactly. Franklin has been called an American so often in the first

American that I wanted to remind everyone that the science had something to do with his identity.

So it was an independent finding, I swear. And why the first scientific American, though?

...