Did you know that many of us have up to 4% neanderthal DNA? And that 100% of your DNA may come from outer space? No joke. The biochemistry that defined the coding system of your DNA may have happened off-world, and perhaps even long...

Magnesium may be all the rage as a sleep aid, but does it actually work? We decided to dive into the research to find out, and ended up learning a lot about mice along the way.

Musty, with hints of vanilla, coffee, and maybe fresh cut grass-- why do old books smell the best?

People like to say all kinds of things about protein – like, you need to eat lots of it to build muscle and lose weight. The truth is, the science of protein and how your body uses it is much more complicated than that. Hosted by: Hank...

SciShow Space News gives you the update of the historic mission that has, for the first time ever, landed a spacecraft on the surface of a comet!

There's no better way to stop a disease than to catch and treat it early, before symptoms occur. That's the whole point of medical screening techniques like radiography, MRIs and blood tests. But there's one medium with overlooked...

2020 is going to be an exciting year for space exploration, if everything goes according to plan. Humans are heading to space in new spacecraft, multiple Mars missions are on the horizon, and scientists are getting a new perspective on...

Musty, with hints of vanilla, coffee, and maybe fresh cut grass-- why do old books smell the best?

Oxygen is pretty dang amazing! Some of the most intensely studied functional groups in organic chemistry have oxygen atoms. In this episode of Crash Course Organic Chemistry, we're building on the last episode's discussion of...

The species of slug known as Elysia chlorotica may not look like much— it resembles a bright green leaf— but it's one of the most extraordinary creatures on our planet. Living in marshes along the coast of North America, it can go about...

Functional groups? Functional groups within functional groups? Hank takes today's Crash Course video to discuss some confusing ideas about Hydrocarbon Derivatives, but then makes it all make more sense.

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Today Hank talks about the deliciousness of alkenes & alkynes, their structures, and how to remember which is which by simply knowing the alphabet. Also, he breaks down hydrogenation, halogenation, polymerization, and...

People like to say all kinds of things about protein – like, you need to eat lots of it to build muscle and lose weight. The truth is, the science of protein and how your body uses it is much more complicated than that.

In which Hank introduces us to the world of Organic Chemistry and, more specifically, the power of hydrocarbon. He talks about the classifications of organic compounds, the structures & properties of alkanes, isomers, and naming...

Organic chemistry is pretty much everywhere! In this episode of Crash Course Organic Chemistry, we’re talking about the amazing diversity among organic molecules. We’ll learn about the origins of organic chemistry, how to write Lewis...

Reviewing organic compounds

Almost everything you could want to know about New Horizon's visit to Arrokoth.

Everything you could want to know about Neptune's largest moon, Triton. NASA Voyager 2 images of Triton explained.

The substance, such as water, in which another substance can dissolve.
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A Twig Science
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Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig...

Generally refers to a compound that contains carbon bonded to hydrogen and is usually associated with the carbon molecules made by living organisms.
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A Twig Science
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Key scientific terms defined in...

Any organic compound composed only of carbon and hydrogen.
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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...

An introduction to hydrocarbons. Learn how unreactive alkanes can be made into reactive alkenes. Chemistry - Chemical Industries - Learning Points. A Twig FactPack Film. Open a discussion on what has been already learnt in a topic, or...

Esters occur in nature and have been harnessed by the perfume industry. What are esters and how are they made and used? Chemistry - Chemical Industries - Learning Points. Esters give many fruits their scents, including bananas, lavender...

With plants covered, let's talk about animals, or fauna, in the context of ecology. What do animals need to survive? How do they acquire food? How do they maintain their body temperature? Let's talk all about nutrients and minerals,...