How is concrete made? And why does it matter?

We’re all part of a generation, that’s a large group of people born around the same time as us. These generations have names too, like Gen X, Baby Boomers or Gen Alpha. Who came up with these generations and why do we have them? We’ll speak to experts and learn what makes each ge ...  Show more

Our stomachs are full of a powerful acid, one that can burn your skin and even melt metal. So why doesn’t this stuff burn a hole through our bellies? We’ll find out how our stomachs protect the rest of us from this acid. Plus, we’ll learn about some of the wildest ways animals di ...  Show more

Concrete is the most widely used substance on earth after water. It’s quite literally the foundation of the modern world, and no wonder - it’s strong, cheap, and mouldable into nearly any shape.

But these benefits come at a cost: concrete production is responsible for ar ...

Concrete is all around us: we use it to build our roads, buildings, bridges and much more. Yet over the last 2,000 years, the art of mixing cement and using it to bind concrete hasn't changed very much -- and it remains one of the world's biggest emitters of carbon. Entrepreneur ...  Show more

Today roads, sidewalks, bridges, and skyscrapers are made of a material called concrete. There's three tons of it for every person on Earth. It's also played a surprisingly large role in rising global temperatures over the last century. So, what exactly makes concrete problematic ...  Show more

Wood is strong enough to build skyscrapers, and bamboo - the fastest growing plant in the world - can also be used for building. Both suck up large amounts of greenhouse gas. We find out what would happen if we used these materials instead of concrete in construction. Produced an ...  Show more