How many tens of thousands of years does it go back?

They have evolved over millennia.

3.8 billion years of field testing.

I want it above ground where it can be inspected for thousands and thousands of years.

And then it became domesticated thousands of years ago.

We are the product of thousands of millions of years of evolution.

After thousands upon thousands of years, their enemies have learned that these butterflies are poisonous.

The coral can take us back hundreds and thousands of years.

It will take years and billions of dollars to change this state of affairs

Darwinian evolution is slow it takes hundreds of thousands of years.

Each has persisted for thousands to millions of years.

History Occupied for thousands of years, the Chinguetti region was once a broad savannah.

Bacteria have been on the Earth for billions of years humans, couple hundred thousand.

We are not the determined product of billions of years of evolutionary plotting and planning.

Many animals that lived thousands of years ago are now extinct.

And there's thousands and thousands and thousands of images.

And so what we are seeing is evidence of a refined technique that was being handed down over thousands and thousands of years, all over the world.

Cultures discovered the key feature of valuation thousands of years ago.

In about 40,000 years it will be the closest star for a period of several thousand years.

If it's not picked up by a human, like me and you, it'll stay there for thousands and thousands of years.

That's as opposed to billions just a few years ago.

The Inuit have lived in the area for thousands of years.

You can find out where your relatives come from you can do your genealogy going back thousands of years.

And a thousand years later, this impulse to notate took an entirely different form.

For billions of years, the universe evolved completely without notice.

They've been here for billions of years, and what they are are single celled microscopic organisms.

And the reason is that tool use, in the beginning for thousands and thousands of years, everything has been a physical modification of self.

And we know what they are. Billions of years ago, and billions of light years away, the material at the center of a galaxy collapsed towards a super massive black hole.

Indeed, for thousands of years, until the Industrial Revolution, incomes stagnated.

And biological pest control, by the way, or these good bugs that we are talking about, they've existed in the world for thousands and thousands of years, for a long, long time.

A polar bear, to evolve a coat, will take thousands of generations, maybe 100,000 years.

Now we can fast forward many thousands of years into the Bronze Age and beyond.

People have wanted to look inside the human mind, the human brain, for thousands of years.

In the 1980 s, Saddam Hussein gassed hundreds of thousands of Iranians and Kurds.

My one year turned into six years thousands of stories, hundreds of long interviews, focus groups.

Students of Hawaii Preparatory Academy on the Big Island have tagged thousands of specimens since the early 1990s.

Yet that packaging I got in the mail yesterday is going to last for thousands of years.

So this really demonstrates our relationship with honeybees, and that goes deep back for thousands of years.

And then 10 years from now, billions will again have gone into Africa, and we would still have the same problems.

But the evidence that we used to do that was falling down on every square meter of the Earth for billions of years before that, and will continue to fall on for billions of years afterwards. And the same is true for all the other sciences.

This display takes visitors on a journey through the exciting history of money , which spans thousands of years .

COLUMBUS For millennia, infants have sometimes been fed another mother s breast milk.

Now how did we do this? How did we go from being hunter gatherers 10,000 years ago to building these gigantic cities in just a few thousand years?

It's actually part of a very long story, a great story, that began billions of years ago.

What were the balls made of? Thousands of years ago, the Egyptians made balls out of soft leather or cloth.