We all have that coworker who insists that the houseplants on their desks are improving the office air quality, but is there any truth to that? Hosted by: Olivia Gordon

A perfumer from Ancient Babylon named Tapputi-Belatekallim is possibly history's first recorded chemist, and some of the techniques she used are still in practice today.

Bitten by a venomous snake? There's hope! French scientist Albert Calmette developed the first snake antivenom in the late 1890s, and did such a good job that we use his technique to this day. Antivenom works by stimulating the...

We all have that coworker who insists that the houseplants on their desks are improving the office air quality, but is there any truth to that?

Howcast - When camping, the risk of food spoilage can be minimized if you keep these tips in mind.

Howcast -If you ever run out of drinking water while you're hiking or camping, use a few lightweight materials and construct a still to purify the water in the ground.

YANGTZE RIVER IS THE WORLD'S THIRD LONGEST BEHIND THE NILE AND THE AMAZON. THE YANGTZE HAS TRADITIONALLY BEEN CONSIDERED A DIVIDING LINE BETWEEN NORTH AND SOUTH CHINA. FROM ITS SOURCE IN QINGHAI PROVINCE IT FLOWS FOR OVER 6,300 KM...

Follow along as Dr. Boyd describes how to make your very own DIY Water Filter, and learn about groundwater in the process. **NOTE: DO NOT DRINK THE WATER THAT YOU PURIFIED USING THIS SYSTEM** 0:00 – Introduction 0:27 – What you need 0:51...

The process of carrying out a set of chemical reactions to create a chemical product or products, often one not found in nature such as, a synthetic drug.
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A Twig Science
Glossary Film.
Key scientific terms...

Biodiversity is vital to life on Earth. What is it and why is it important and how is it changing? Biology - Ecosystems - Learning Points. Biodiversity is the number of different species and the variety within species. High biodiversity...

How do astronauts aboard the International Space Station drink water recycled from their own urine?
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Material processes - Separating mixtures - Separation


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Learning Points
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This video covers:

- How to extract reactive metals from their oxides using electro
lysis
- Recap of extracting unreactive metals with 'reduction
by carbon'
- The specific example of extracting aluminium from...

Take a tour around the world with us to see the variety of money customs from different cultures!

The Sea of Marmara is blighted by large areas that are covered in a thick, white mucus-like sludge.

It's amazing to think that we've gone from having no idea what air is, to knowing its composition intimately, and even having the ability to filter what's in it. We have produced machines that can remove both pathogens as well as harmful...