Unlocking the mysteries of ancient ceramics is a bit complicated. Radiometric dating tells us the age of the clay, but when was it first shaped by a human? We can find out by blasting it with heat again!

For astronauts, dust is no joke. On the moon and Mars, dust isn't at all like the stuff under your bed. It can be poisonous, corrosive, even made of razor-sharp glass. So future astronauts are going to need more than a dust buster to get...

Around the world, living things have managed to build truly extraordinary ecosystems in some of the last places you would think to look. Understanding these ecosystems can help us protect or repair them, and it can also help us...

When it comes to sparkly objects, the planet Earth has a lot to offer. Here are 5 especially awesome glasses made by nature! chapters OBSIDIAN 0:57 2 OPAL 4:09 3 TEKTITES 5:46 FULGURITE 6:27 GLASS SPONGES 8:07

Artificial Intelligence has helped astronomers discover 2 new planets in systems that we'd already looked at, and new theories about how Mars lost some of its water have surfaced.

Why do dogs eat grass? A look at your pup’s wild relatives may give you a sense of what dogs’ diets are really like.

Mining unobtainium is hard work _ the rare mineral appears in only 1% of rocks in the mine. But your friend Tricky Joe has something up his sleeve. The unobtainium detector he's been perfecting for months is finally ready, and it returns...

In this video Paul Andersen explains how mining is used to extract valuable minerals from the Earth's crust. Surface and subsurface mining are used to extract ore which is then processed. A discussion of ecosystem impacts and legislation...

Soil doesn't seem like it's "alive", yet it functions like a living thing in lots of key ways.

Metabolism is a complex process that has a lot more going on than personal trainers and commercials might have you believe. Today we are exploring some of its key parts, including vital nutrients -- such as water, vitamins, minerals,...

Soil brings together all four spheres of physical geography, and understanding soil composition is kind of like baking! So in today's episode, we're going to show you how to create the perfect soil cake, examine its different soil...

From wasps nests to nuclear reactors. Here are just a few clever ways archeologists figure out how old something is.

No offense to that rock you may have on your finger, but these gems and minerals are so hard to find, they put most diamonds to shame.

From corundum to alexandrite, there are rare minerals have multi-colors caused by how they form their structure!

Sustaining life requires substantial energy and matter inputs. The complex struc- tural organization of organisms accommodates the capture, transformation, trans- port, release, and elimination of the matter and energy needed to sustain...

In freezing cold sand, a burning hot mine, or even inside solid rock _ these extremophiles live anywhere that you wouldn't want to live. What are they? How can they live in such extreme places?

In this video Paul Andersen explains how rock is formed and changed on the planet. The video begins with a brief description of rocks, minerals, and the rock cycle. Plate tectonics is used to describe structure near plate boundaries. Hot...

Jessi and Squeaks have some cool rocks. What do you think is inside them?

In this episode of Crash Course Kids, Sabrina talks about two of the four spheres that make up our planet; The Geosphere and the Biosphere. What's in these spheres? How do they affect us? How do they fit into the puzzle that is Earth?...

New ReviewLearn more about the challenges that exist when it comes to doing business in South Africa. Yes, South Africa’s government has made a strong commitment to privatization and has been striving to attract foreign investment, but the country...

With an area of nearly 8.8 million square kilometers, or 3.4 million square miles, Brazil is about the same size as the continental US and the fifth-largest country in the world. It covers nearly half the South American continent, and,...

A video titled "Natural Resources" which discusses the population's strain on natural resources.

This video defines ecology and ecosystems.

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