The second example I want to tell you about comes from a collaboration I have with Dr. Margrit Maggio at the Penn Dental School.

The year is 2005.

Yes, demand is growing. I headed to Gangnam to meet a man who has experienced these fake funerals before. He's a dentist, well known in his field.

My parents are dentists

I'm just a dentist.

And he's a dentist!

He is an undergraduate in the law department.

Pleased to meet you. I am the club vice president, Wang Kyung Soo.

(Laughter)

Bernard's a dentist...

And most of all, it was not even in my college textbooks.

And lucky that brother wasn't some oral hygenist or something. A Marine we could use.

And so, as a result, some crazy things have happened.

The dentist pulled out her bad tooth.

They had a low fear population, where they basically gave them a 13 minute presentation, all based in science, but told them that, if you didn't brush and floss your teeth, you could get gum disease.

Hi, I'm Dr. Carlock. I teach science.

I'd like to thank everybody, all the scientists, the philosophers, the architects, the inventors, the biologists, the botanists, the artists ... everyone that blew my mind this week.

We investigate claims of the paranormal, pseudo science, fringe groups and cults, and claims of all kinds between, science and pseudo science and non science and junk science, voodoo science, pathological science, bad science, non science, and plain old non sense.

My mother... a shirley partridge wannabe... would like for me to go to dental school.

The committee man is a dentist in private life.

These types of judgments are hard for a new dental student to make, because they haven't touched a lot of teeth yet.

One part of medicine, though, has faced the problem of behavior change pretty well, and that's dentistry.

They don't do it as much as they should, but they do it.

One second. Dr. Oseranksy's office.

Mr Suzuki is not a dentist but a physician.

Mr. Suzuki isn't a dentist. He's a physician.

And the training center there was built around the scientific Congolese staff and some American scientists also.

Germany produced many scientists.

And I immediately came upon a problem.

He is a dentist by profession.

I don't even think she's a member of the dental profession.

Dentists take x rays to examine your teeth.

Dentistry might seem and I think it is many dentists would have to acknowledge it's somewhat of a mundane backwater of medicine.

And how did we divide them into five senses? The answer is science.

Science produced the atomic bomb.

So your teacher drugged you, then chopped off your finger?

I want to stay in high school. I like my science teacher.

No instead, we walk a mile in their shoes.

What department are you in?

sciencey?

Science camp?

Her father devoted his life to science.

But then, in the '90s, something began to unravel.

And this brings up mentors.

y eah, yeah. really?