The video discusses the required practical activities for analyzing and purifying water in a chemistry specification. The focus is on the steps involved in determining the mass of salts dissolved in seawater, measuring the pH of water...

Are you eager to understand how everyday items work, or interested in making useful objects and instruments yourself? Have you ever imagined you could build your own thermometer? In this activity, you will make a liquid thermometer to...

Slide into 'Polar Ice Caps' to explore the frosty worlds at the top and bottom of our planet! This video gives kids a chilly but thrilling look at the icy giants and their role on Earth.

Mars InSight will be the first to detect seismic activity on Mars’ surface, first to measure rate of heat transmitted from interior, first to dig nearly 5m down, first to measure magnetic fields on Mars’ surface, and first to use a...

Video goes over technique of functional modelling to represent complex systems.

This video is answering the question of do whales migrate.

The opioid epidemic is certainly terrible. Even as we're plumbing the depths of it, we should remember that there are other terrible drugs out there killing people and making lives worse. Cocaine is a big problem as well, and it kills a...

What is narcolepsy? It’s a neurological disorder that results when your brain is unable to regulate your sleep wake cycle. In this video I will discuss how to recognize narcolepsy and how it is...

Howcast - Keep your dress shirts looking sharp by using these simple tips.