Alexis Stempien, one of SciShow’s script editors, faces off against Hank as they try to answer science questions about some fantastical topics!

Phones, TVs, solar panels, and electric car batteries are all made of some rare and unusual elements. As our modern world creates more and more of these technologies, will things go from "rare" to "nonexistent" and what will we do then?

Howcast - Check out part 16 and pay a visit to the boys in blue in Resident Evil: Operation Raccoon City, the third-person shooter.

Howcast - Check out part 22 and ride some elevators in Resident Evil: Operation Raccoon City, the third-person shooter from Slant Six Games and Capcom.

Howcast - Learn about robotic hair transplants from hair transplant surgeon Craig Ziering, MD in this Howcast video.

Howcast - Learn how to make espresso in this Howcast video about latte art.

Howcast -Beat "Scorched Earth" from Call of Duty Modern Warfare 3 with this online demo of the action packed first person shooter from Infinity Ward.

Check out this Killzone 3 walkthrough and beat Pyrrhus Evac - Part 3: Ground Zero 1 of 2 with this online demo.

Check out this Killzone 3 walkthrough and beat Pyrrhus Evac - Part 1: Senlin Beach with this online demo.

Welcome to the Fluctus Channel. In today's segment, we delve into the remarkable capabilities of the US Air Force's CH-47 helicopter, showcasing its ability to execute daring water landings for Special Forces extraction at sea. Fluctus...

Welcome back to the Fluctus Channel to discover the technology and capabilities of the versatile V-22 Osprey aircraft.





Fluctus is a website and YouTube channel dedicated to sea geeks. Whenever you are curious...

Capa subterránea de rocas porosas u otros materiales que está saturada de agua. <br/<br/>>

Twig - Ciencias de la tierra

The level below which the ground is completely saturated with water.
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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...

An underground layer of porous rock or other material that is permeated with water.
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A Twig Science
Glossary Film.
Key scientific terms defined in just 60 seconds using stunning images and concise textual...

A protein found in red blood cells that binds and transports oxygen in the blood.
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A Twig Science
Glossary Film.
Key scientific terms defined in just 60 seconds using stunning images and concise textual...

Energy from natural resources that replenish or renew themselves, or we can consider inexhaustible, such as sunlight, wind, tidal and wave power.
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A Twig Science
Glossary Film.
Key scientific terms defined in...

The process of deriving metals from their naturally-occurring ores.
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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...

In agriculture, the loss of important nutrients from the soil, carried away when too much water flows through it.
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A Twig Science
Glossary Film.
Key scientific terms defined in just 60 seconds using stunning...

A substance that removes oxygen from, or donates electrons to, another substance during a reaction.
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A Twig Science
Glossary Film.
Key scientific terms defined in just 60 seconds using stunning images and concise...

Gold can be found in many forms and has been used as currency for centuries. But what properties does it have that make it so valuable? Earth Science - Geology - Learning Points. Gold occurs naturally in many distinct forms. Native gold...

From the Russians' attempt to colonise the Moon to eccentric plans for Mars. Physics - Universe - Learning Points. The longest anyone has ever stayed on the Moon is 75 hours. Helium-3 is rare on Earth but can be processed from Moon soil,...

The discovery and uses of reactive metals throughout history, and how their uses have defined the period in which they were discovered. Chemistry - Periodic Table - Learning Points. The reactivity series ranks the chemical reactivity of...

We discover how to extract lead from lead(II) oxide. We mix lead(II) oxide with charcoal powder and then heat the mixture using a Bunsen burner. It glows bright red as a reaction occurs and after a few minutes we are left with pure lead....

Explore the difficulties of extracting aluminium from its ore, and how the vast quantities of heat and electricity generated by electrolysis allow this to happen. Chemistry - ReactionsLearning Points. Aluminium is difficult to extract...