Curated Video
pH
The pH scale measures the acidity or alkalinity of a solution. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig Science Glossary Films reinforce...
Curated Video
Stomach Acid and Antacid
We use the enzyme pepsin and hydrochloric acid to simulate the conditions within the stomach in two boiling tubes. Cooked egg whites are ground and added to two boiling tubes of hydrochloric acid, but one is mixed with a crushed antacid...
Curated Video
Effects of Smoking
We test the effects of smoking by drawing first air and then cigarette smoke through apparatus that contains mineral wool and universal indicator. The air has no effect, but the smoke discolours the wool and changes the colour of the...
Curated Video
Acidification of Water
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...
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Scientist and bio lab experiment
The air bubble happen form electricity to separate DNA fragments by size as they migrate through an agarose gel (HD)
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Scientist transfer mix small volume liquids within 96 well dishes, Slow motion
Scientist transfer mix small volume liquids within 96 well dishes, Slow motion
Getty Images
Scientist transfer mix small volume liquids within 96 well dishes, Slow motion
Scientist transfer mix small volume liquids within 96 well dishes, Slow motion
Getty Images
Scientist transfer mix small volume liquids within 96 well dishes, Slow motion
Scientist transfer mix small volume liquids within 96 well dishes, Slow motion
Getty Images
Scientist transfer mix small volume liquids within 96 well dishes, Slow motion
Video slow motion of Scientist transfer mix small volume liquids within 96 well dishes. (HD)
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Scientist transfer mix small volume liquids within 96 well dishes, Slow motion
Scientist transfer mix small volume liquids within 96 well dishes, Slow motion
Getty Images
Scientist transfer mix small volume liquids within 96 well dishes
Scientist transfer mix small volume liquids within 96 well dishes
Getty Images
Scientist transfer mix small volume liquids within 96 well dishes, Slow motion
Scientist transfer mix small volume liquids within 96 well dishes, Slow motion