Support for NPR and the following message comes from the Robert Wood Johnson Foundation.

RWJF is a national philanthropy, working toward a future where health is no longer a privilege but a right.

Learn more at RWJF.org.

Thank you. Hello, welcome to Car Talk from National Public Radio with us, click and clack the Tapper Brothers,

and we're broadcasting this week from the post-commencement Reflection Bureau.

That's a multiple.

Mirrors.

Here at Car Talk Plaza.

Well, our commencement address has now come and gone.

Yes, it has.

And we were unable to give you a preview of it for two very important reasons.

One, we didn't know what we were going to say until we got there.

And two, we didn't want to tip off MIT to what we were going to do because they might cancel us if they knew.

But now we can reveal if we want to.

Well, I mean, I suppose we can reveal a little bit.

I mean, one of the things we did do was we gave a summary of some research that was done by Hallmerky.

Heavy duty stuff.

This research, you know, I mean, there's research.

Groundbreaking.

Maybe windbreaking.

I mean, there are some theories that you just don't believe, but some are just so powerful, and this is one of them.

And I wish we could tell you more about it, but it takes too long.

...