With its caustic red waters, Lake Natron doesn’t seem like the ideal place to call home. But some creatures have evolved amazing adaptations that help them survive and thrive in this alkaline lake.

If you live in a cold climate, you might know the agony of trying to get your car started on a chilly winter morning, or standing helplessly by as your phone's battery level plummets. So why do cold weather and batteries seem to just not...

We humans love a good health food trend, but sometimes it can be hard to sort out the facts from the fiction. So over the years, we here at SciShow have hit up the research and set the record straight.

Engineers would love it if concrete bridges and skyscrapers didn't require so much maintenance, and they might have found the perfect solution using bacteria.

A new health trend is claiming that it can rebalance your internal chemistry and help prevent cancers and bone loss, but what are the real health benefits of drinking alkaline water?

Howcast - Learn the difference between acidic foods and alkaline foods from nutrition expert Alex Jamieson in this Howcast video.

Do you love boiled eggs but absolutely HATE peeling them? Have we got some advice for you.

Pupil outcome: I can describe the pattern in the reactivity of Group 1 metals with water and Group 2 metals with dilute acid, and compare the reactivity of the two groups. Key learning points: - The properties of elements in each group...

XLD agar (Xylose Lysine Deoxycholate agar) is a selective and differential medium used primarily for isolating and differentiating Salmonella and Shigella species. It differentiates organisms based on xylose fermentation, lysine...

The pH scale is used to determine whether a substance is acidic or basic, and to calculate how strong a chemical it is. A pH value is a number that ranges from 1 to 14 for most common chemicals, with seven being the middle or neutral...

Breathing faster or deeper than necessary. It can happen voluntarily, or as a result of panic or excitement, or due to a medical condition.
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The chemical process by which a base neutralises an acid, producing a salt and water.
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A substance that provides a visual indication of the pH of a test material.
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The pH scale measures the acidity or alkalinity of a solution.
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A group of metals that form group two of the periodic table.
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Find out why magnesium is important for living things.



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Potassium is one of the most unpredictable elements, a soft metal that is essential to life.



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In our bodies potassium...

Alkalis and acids can be neutralised to great and varied effect. For example, it is neutralisation reactions that help us breathe underwater or cure indigestion. Chemistry - Reactions - Learning Points. A neutral solution is pH 7 Sodium...

Learn why radium is so radioactive it can both cause and cure cancer. Chemistry - Periodic Table - Learning Points. Marie and Pierre Curie discovered radium in 1898. Radium is a product of the radioactive decay of uranium. Exposure to...

Witness the exciting reactions that occur when alkali metals come into contact with other substances. What does this tell us about their properties? Chemistry - Periodic Table - Learning Points. The alkali metals make up Group 1 of the...

We use a drinking straw, some water and universal indicator to show that breathing out creates acid. Universal indicator is added to the water to show its pH value. When we blow into the water the indicator changes colour showing that...

This video is answering the question of where are metals on the periodic table.

The pH scale is used to determine whether a substance is acidic or basic, and to calculate how strong a chemical it is. A pH value is a number that ranges from 1 to 14 for most common chemicals, with seven being the middle or neutral...