We get support from UC Davis, a globally ranked university working to solve the world's most pressing problems in food, energy, health, education, and the environment.

UC Davis researchers collaborate and innovate in California and around the globe to find

transformational solutions.

It's all part of the university's mission to promote quality of life for all living things.

Find out more at 21st century.

UC Davis. edudavis dot edu

this is 99% invisible i'm roman mars U.S. they're called lines.

In Canada, apparently they're called lineups sometimes.

And I was once interviewed live on Canadian national radio

and they started talking about lineups and we had a conversation

about police for five minutes until I realized what they were talking about.

But pretty much everywhere else, it's known as a cue. I like cue the best. Yeah me too. That's Benjamin

Walker. He's obsessed with cues. He keeps sending me emails with links to

YouTube videos of cues. You have psychology students filming their surreptitious cue experiments,

you have Asian road rage videos, you've got people filming fights that break out in cues.

Unless you're going to physically move me,

nothing's going to happen.

So understand that I'm not getting out of this line.

And you can understand that none of you are going to stop being in this.

I like to call YouTube the Q-hole.

And when I found this lecture by Dr. Q, I immediately made an appointment to go and see him.

I'm Dick Larson, I'm a professor at MIT, and I guess my nickname is Dr. Q.

...