On the left, we see a tiny piece of beating heart tissue that I engineered from rat cells in the lab.

Rat, that's a rat could have been you.

The cat ate the rat.

Here is a first prototype of our camera rat, which is a rat with a rat backpack with a camera that can go under rubble to detect for victims after earthquake and so on.

Is the rat alive or dead?

A cornered rat will bite a cat.

Just assorted garage sale junk, because I'm a pack rat.

Lab

Usually they eat larger snakes like rat snakes, or even cobras.

So I've started a lab at MIT, and it's called the Self Assembly Lab.

Few of you would eat it if it's a rat or a human.

In my lab, which we're peering into now, at MIT this is at the media lab.

Audience Where's your lab?

In the 1950s, Olds and Milner put electrodes into the brain of a rat.

This is the ratbot, or the robo rat by Sanjiv Talwar at SUNY Downstate.

I have a small lab.

Epoptes computer lab administration tool

We reverse engineer lab equipment.

All done in the lab.

And the rat would just keep pressing that bar thousands and thousands and thousands of times.

So how does a place cell know where the rat or person is within its environment?

Come on into the secret lab.

Here's one from Cristine Legare's lab.

The billboards say Lab Space Available.

This is our femtosecond laser lab.

I took these back to the lab.

Frederick Balagadde Bio lab on a microchip

So we sent our lab technician out.

This is what Frankenstein's lab looks like.

And finally, the lab started doing invention.

The salesmen were students from my lab.

When you're in it, you're like a rat in a maze you can't even see over the top.

And here it is for the growth of a rat, and those points on there are data points.

So we're going to imagine we're recording from a single neuron in the hippocampus of this rat here.

I'm at this place called the Media Lab.

Microfluidics can replace an entire lab of technicians.

I'll take you now to the acoustic lab.

We get so many visitors visiting our lab.

Here's an American design from Lawrence Livermore Lab.

Well don't talk rat, but we have a clicker, a standard method for animal training, which you see there.

The only exception is the naked Somalian mole rat, which never puts its nose above the surface of the ground.

If you're a mammal, if you're a rat or an elephant, or a human, in between, it's the same story.

So let's say we have a lab finding that ...

So how are we doing this in the lab?

We hired them, set them up, assisting at lab.