Top sur la magnitude des séismes

You may already know most rocks and minerals! The top 5 will allow you to learn more about their characteristics and their daily uses.

You may already know most rocks and minerals! The top 5 will allow you to learn more about their characteristics and their daily uses.

The human being is a very strange mammal. After spending millions of years learning to stand on two legs, modern life has caused us to lose that hard-won good posture. Here is a top on posture problems.

The human being is a very strange mammal. After spending millions of years learning to stand on two legs, modern life has caused us to lose that hard-won good posture. Here is a top on posture problems.

It is estimated that there are more than one million earthquakes every year in the world, that is 2700 earthquakes every day. That's, on average, 2 earthquakes per minute, like right now. There will be 3 more during this video. So it's important that our buildings be solid. Hang on, here we go! Here are the top ideas to…

It is estimated that there are more than one million earthquakes every year in the world, that is 2700 earthquakes every day. That's, on average, 2 earthquakes per minute, like right now. There will be 3 more during this video. So it's important that our buildings be solid. Hang on, here we go! Here are the top ideas to…

Sedimentary rocks are present everywhere in our environment and contain treasures. They tell us many things about our past, in addition to providing us with valuable mineral resources.

Sedimentary rocks are present everywhere in our environment and contain treasures. They tell us many things about our past, in addition to providing us with valuable mineral resources.

Igneous rocks are the result of the slow cooling of magma, the hot, viscous substance found in the depths of the Earth. Here is the rundown on igneous rocks.

Igneous rocks are the result of the slow cooling of magma, the hot, viscous substance found in the depths of the Earth. Here is the rundown on igneous rocks.

Do you know opera? It is a complex art form where all human emotions are expressed on stage. Here is a top on opera!

Do you know opera? It is a complex art form where all human emotions are expressed on stage. Here is a top on opera!

Concrete is the most important building material of our time. More than 4 billion tons of this artificial rock are produced annually worldwide. Here is the top on concrete!

Concrete is the most important building material of our time. More than 4 billion tons of this artificial rock are produced annually worldwide. Here is the top on concrete!

In our solar system, the planets all revolve around the same star: our sun. An exoplanet is a planet that orbits another star, another sun, elsewhere in the universe. Here is the top on exoplanets!