We now call them non avian dinosaurs and avian dinosaurs.

I loved dinosaurs.

But birds are dinosaurs.

Birds are living dinosaurs.

Look at these dinosaurs.

Paul Sereno digs up dinosaurs

Dinosaurs was one of them.

Jack Horner Shape shifting dinosaurs

So here are 12 dinosaurs.

We actually classify them as dinosaurs.

Avian dinosaurs are our modern birds.

I'm going to talk about dinosaurs.

Terrible news for the dinosaurs, but great news for our mammalian ancestors, who flourished in the niches left empty by the dinosaurs.

The dinosaurs had a really bad day.

Dinosaurs are kind of funny, you know.

Now I assume that we remember dinosaurs.

But all they had were big dinosaurs.

So these are dinosaurs that are called Pachycephalosaurs.

Fourth graders love their dinosaurs, they memorize them.

Dinosaurs became extinct a very long time ago.

People assumed and this was actually a problem people assumed that if they had little dinosaurs, if they had juvenile dinosaurs, they'd be easy to identify.

So, I do a lot of work on dinosaurs.

And what happens next is the age of dinosaurs.

That's where dinosaurs began. That's where the radiation began.

Do you remember dinosaurs when you were that age?

So there's these two dinosaurs, T. Rex and Nanotyrannus.

So here was the character that linked birds and dinosaurs.

65 million years ago the dinosaurs had a bad day.

When you have a little museum, you have little dinosaurs.

And the Hell Creek Project was this massive undertaking to get as many dinosaurs as we could possibly find, and hopefully find some dinosaurs that had more material in them.

It survived even during the time that the dinosaurs died off.

The study of dinosaurs may, literally, one day save the planet.

There may be some carbon in your breath from the dinosaurs.

People were starting to get an idea that dinosaurs were special.

that's the difference, that's the difference between us and the dinosaurs.

First off, scientists have egos, and scientists like to name dinosaurs.

And so they went on naming dinosaurs because they were different.

Where are the baby dinosaurs? In a spellbinding talk from TEDxVancouver paleontologist Jack Horner describes how slicing open fossil skulls revealed a shocking secret about some of our most beloved dinosaurs.

Video Myhrvold thinks tail cracking dinosaurs were interested in love, not war.

I'm known to TEDsters as the guy that has sex with dinosaurs.

So we have the finger blasters. Other people have dinosaurs, you know.

Someone is re engineering dinosaurs by extracting their DNA from prehistoric amber.

It takes us years to understand how to do that with dinosaurs.

And I usually just say, Well dinosaurs were big, different and gone.

So everyone was out looking for all these bigger and better dinosaurs.