Why is desalinated water important? How can graphene help with desalination?<br/>
Properties Of Water, Part 4

Hank teaches us why water is one of the most fascinating and important substances in the universe.

In this video Paul Andersen explains the vital role that water plays in the processes on the Earth's surface. Water has several unique properties including high heat capacity, transparency, polarity and the ability to change the...

Howcast - Learn how to clean an espresso machine from the experts at Third Rail Coffee in this Howcast video.

What are the characteristics of water? Explain the water cycle?<br/>
Properties Of Water, Part 1

What are the unique properties of water? What are the freezing and boiling points of water? Properties Of Water, Part 2

In Water as a Natural Resource we are introduced to words such as habitat, ecosystem, watershed and estuary. Not only do kids learn that water exists everywhere on Earth, but that it is vital for life in plants, animals, and all other...

In Water as a Natural Resource we are introduced to words such as habitat, ecosystem, watershed and estuary. Not only do kids learn that water exists everywhere on Earth, but that it is vital for life in plants, animals, and all other...

In this video Paul Andersen explains how the polarity of water makes life on the planet possible. Oxygen is highly electronegative and pulls the electrons closely creating a partial negative charge. The polarity of water (and the...

From "superhabitable planets" that can potentially sustain life longer than earth to rogue planets that don't even orbit a star, we’ve talked about some strange places that could host extraterrestrial life over the last few years. Here...

Sorry about the audio problems for the first 30 seconds or so - stick with it, it levels out soon. Proteins are arguably the most important biological components in any living creature but only now are we beginning to look into the role...