Dams are great for humans, providing hydroelectricity and flood control. They're also horrible for the rivers they block. Here are three success stories of ecosystems that bounced back after a dam was removed.



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Among the dinosaurs, giant sea dragons roamed the ancient ocean. Millions of years later, paleontologist Dean R. Lomax and his team freed the remains of one of these colossal creatures from the Earth. Settle in to learn about the...

From what we know about Titan, it seems like its atmosphere should have disappeared millions of years ago. So, why hasn’t it?

The auroras are one of earth's most dazzling displays, but thanks to Joan Feynman we know that they're so much more.

In June, a catastrophic explosion destroyed the Kakhovka dam in southern Ukraine, flooding huge areas of land. As the flood waters recede, Bel Trew has travelled to the affected areas to find shellshocked Ukrainians trying to put their...

Welcome back to the Fluctus Channel. In this episode, we explore the marvel of engineering that is the Panama Canal. Stretching 51 miles to connect the Atlantic and Pacific oceans, this canal is critical for global trade,...

The maintenance of a stable internal environment.
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A Twig Science
Glossary Film.
Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig Science Glossary Films...

In 2005, New Orleans was struck by Hurricane Katrina. What defences did the city have to protect it? Earth Science - Weather - Learning Points. New Orleans, Louisiana USA, straddles the Mississippi river and lies below sea level. New...

The Sau (SU) water reservoir in Barcelona, Spain, is one of the region's largest sources of water at 90 percent capacity. But only a year earlier this image was very different. Spanish officials are working on new ideas to ensure that...

Dr. Forrester explains how floods occur.

This video covers:

- The difference between hydroelectric dams and tidal barr
ages
- How they work and generate el
ectricity
- The pros a

nd cons of ea
ch

General info:
- Suitable f

or all GCSE and...

This video covers:

- The 3 main functions of the kidn
eys:
1) removi
ng waste,
2) regulating level
s of ions, and
3) regula
ting levels of water
- How the kidneys can achieve all of this using filtration...

Season 3, Pygmy Crocs part 1

Pygmy crocodiles are unique in many ways and small in size. Their population has been isolated due to changes in water levels. On this mission, Kayne must catch one of these crocodiles in order to take...

This video shows how the dust from Utah's drying lake beds could be lowered by preserving lakes.

Explore the fascinating phenomenon of tides and how they are influenced by the gravitational forces of the moon and the sun. We learn how ancient civilizations accurately predicted tides and how this knowledge continues to be crucial for...

Informational video about the diversity of habitats accessible from the Main Park Road.

Narrated slide-show about the Wood Stork's strange feeding habits.

Empty water reservoirs, severe water rationing, and electrical blackouts are the new status quo in major cities across southeastern Brazil where the worst drought in 35 years has desiccated the region. A new NASA study estimates that the...

The story of Three Mile Island shows that nuclear incidents can be prevented, as long as the right safety measures are in place and the employees are trained properly. What happened on Three Mile Island was small in comparison to the...

Experts increasingly question whether the Three Gorges Dam can do the job it was designed for.

What happened when one of nature's pickiest eaters met a huge, extremely adaptable snail? Well, it might be the start of evolution in action.

What mechanical process was created to help the natural process in the everglades? What is needed to learn in order to help maintain ecosystems?<br/>
The Everglades Ecosystem, Part 4