Search results for “rivers”

Why do rivers meander

A river flows because water always follows the natural gradient on the earth's surface. All flowing waters follow the line of least resistance. River curves have developed naturally over thousands of years. They are called meanders. Author: ZDF/Terra X/Bilderfest/Florian Breier, Christian Stiefenho

Endangered river ecosystem

Too much manure in the water, straightened rivers and sluices: Three reasons why the habitat of many animals and plants in rivers is threatened. Author: ZDF/logo/Judith Vehar/Maximilian Mohr Translation and dubbing: alugha Click here to watch more videos: https://alugha.com/TerraX

How river water becomes drinking water

The managing director of the Hengsen waterworks explains the steps involved in extracting drinking water from the river water of the Ruhr. This process takes three to four days. Author: 3sat/nano/Spiegel TV/Christine Voges/R. Engelke/S. Karim/F. Gutsche/J. Heck/B. Asgari/K. Scheef/F. Buscha/Tim Ku

The natural water cycle

The natural water cycle is powered from solar energy. Its thermal radiation evaporates water from oceans, lakes and rivers into water vapour. As precipitation, the water enters lakes, rivers and groundwater and eventually flows into the sea. Author: 3sat/nano, mirror TV, Christine Voges, R. Engelk

What’s Hiding Deep Within The Rainforest?

Rainforests cover a large portion of Earth, but what's hiding inside of them? Click here to see more videos: https://alugha.com/LifeNoggin Follow Life Noggin! Facebook: https://www.facebook.com/LifeNoggin/?ref=br_rs Instagram: https://instagram.com/lifenoggin/ Twitter: https://twitter.com/lifenogg

How Do MASSIVE Sinkholes Form?

What are sinkholes, and how do these mysterious things form? Click here to see more videos: https://alugha.com/LifeNoggin Follow Us! https://twitter.com/LifeNoggin https://facebook.com/LifeNoggin https://www.instagram.com/lifenoggin Life Noggin is a weekly animated educational series. Whether it

Where did Earth’s water come from? - Zachary Metz

View full lesson: http://ed.ted.com/lessons/where-did-earth-s-water-come-from-zachary-metz Water covers over 70% of the Earth, cycling from the oceans and rivers to the clouds and back again. It even makes up about 60% of our bodies. But in the rest of the solar system, liquid water is almost impos

The founding of Baghdad in the 8th century

Baghdad in present-day Iraq was built in the 8th century on an important trade route between the rivers Euphrates and Tigris. The metropolis was probably designed as a round city Author: ZDF/Terra X/Gruppe 5/Faber Courtial, Susanne Utzt, Sahar Eslah, Martin Carazo Mendez/ Martin Christ, Marc Rieme

Mars Streambed | NASA Planetary Sciences

NASA Jet Propulsion Laboratory scientist Sanjeev Gupta uses images captured by Curiosity rover to explain the significance of pebbles found on Mars. Gupta describes the ground-layer composition at three outcrops near the rover's landing site that contain rounded pebbles. Because rounded pebbles on E

What If It Never Stopped Raining?

Rain can bring life to the world around us, but if it didn't stop, what would be the concequences? Click here to see more videos: https://alugha.com/LifeNoggin Follow Life Noggin! Facebook: https://www.facebook.com/LifeNoggin/?ref=br_rs Instagram: https://instagram.com/lifenoggin/ Twitter: https