Curated Video
The Elements: Radium
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...
Curated Video
Healthy Teeth - Dental Care Tips
Your teeth are exceptionally strong, but without the proper care they can be easily damaged. Learn how a few simple steps can help avoid tooth decay. Biology - Healthy Living - Learning Points. A build-up of plaque on your teeth can lead...
Curated Video
Nuclear Waste
Nuclear fission is the process used in nuclear power plants, which creates radioactive nuclear waste that is hazardous to humans. Discover how this nuclear waste is disposed of and stored. Earth Science - Earth's Resources - Learning...
Curated Video
Gamma ray
High energy electromagnetic radiation, with extremely short wavelengths, often smaller than an atom. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions....
Curated Video
Healthy Teeth - Tooth Care
Top tips for keeping your teeth healthy. Life processes - Humans and other animals - Teeth Learning Points Bacteria in the mouth produce plaque. Acid produced by plaque attacks the enamel on teeth. Brushing teeth twice a day helps...
Higgsino Physics
Atomic Bombs and Nuclear Reactors Simulated - Critical Mass Misconception
This video explains how atomic bombs and nuclear reactors work with a simulation. It also explains why critical mass is a confusing topic in nuclear physics. It depends on a lot more than just the mass.
Science Buddies
Radioactive Decay Simulation with Scratch
Geology Science Project: Create a model of radioactive decay using dice and test its predictive power on dating the age of a hypothetical rock or artifact.
Curated Video
The Secret Life of Rock Pools
As the tide recedes along the shores, it uncovers a truly alien world of rock pools. At first look, the landscape presents little more than a barren, lifeless stretch of thick mud and rotting seaweed, strewn with boulders. But these...
Curated Video
The Nampa Figurine: Hoax of Key to History?
A small clay figure discovered in 1889 in Nampa, Idaho at a depth of 300 feet within a stratum dating back about 2 million years, has sparked controversy and debate over its origins and implications for human history. While some see it...
Curated Video
Innovative Tooth Decay Treatment: The Future of Cavity Care Without Drills
Innovative tooth decay treatment developed by Doctor Kesu Yamagishi at Tokyo's FAP Dental Institute replaces drilling with a specially designed toothpaste. This paste, made of calcium rich crystals, bonds with the tooth to seal cavities...
Curated Video
Ozone Dental Treatment: A Drill-Free and Pain-Free Alternative for Tooth Decay
Introducing a revolutionary dental technique developed at Queens University in Belfast. By utilizing ozone gas, dentists can now treat tooth decay and prevent further decay without the need for drilling or anesthesia. This quick,...
Curated Video
Titanic's Decay and the Search for Evidence of Antimatter
The video discusses two separate topics: the deteriorating state of the Titanic wreck and the search for evidence of antimatter. It highlights the alarming decay of the Titanic wreck, which is on the verge of collapsing, and the efforts...
Professor Dave Explains
Energy Flow and Nutrient Cycling in Autotrophs and Heterotrophs
The biosphere is an extremely dynamic system, with energy flowing from one group of organism to another at all times. How does this flow operate? How do nutrients cycle? What is biomass? What are gross and net primary productivity? Let's...
Curated Video
GCSE Physics - Radioactive Decay and Half Life #35
This video covers: - How radioactive decay works - What activity means - The two definitions of half-life - How to show radioactive decay on a graph - How we can find the count rate with a Geiger–Müller tube - Example calculation for...
Curated Video
GCSE Physics - Nuclear Decay Equations #34
This video covers: - What alpha, beta and gamma radiation are - How to write decay equations for them General info: - Suitable for all GCSE and IGCSE courses - Suitable for higher and foundation tiers - Suitable for triple and combined...
Curated Video
GCSE Biology - What Are Fossils? What Fossils Tell Us About Extinct Species #78
This video looks at why fossils are so useful in telling us about extinct species, and also explains why some species go extinct in the first place.
Curated Video
GCSE Physics - Atomic Structure, Isotopes & Electrons Shells #32
This video covers: - The structure of the atom - The difference between protons, neutrons and electrons - What isotopes are - Energy levels - Ionisation General info: - Suitable for all GCSE and IGCSE courses - Suitable for higher and...
Curated Video
GCSE Physics - Alpha, Beta and Gamma Radiation #33
This video covers: - The idea that radioactive materials contain unstable isotopes - What alpha, beta, gamma and neutron radiation is - How ionising and penetrating they are General info: - Suitable for all GCSE and IGCSE courses -...
Professor Dave Explains
Methods of Dating the Earth Part 2: Absolute Dating (Radiometric Dating)
We just learned about relative dating, but if you really want to calculate the age of a rock, absolute dating is what you need. This takes advantage of the presence of radioactive nuclides that decay at a reliable rate, so it is also...
Curated Video
Intended Audience
Intended Audience explores the importance of keeping the intended audience in mind when writing by identifying types of audiences.
Curated Video
Exponential Growth and Decay
“Exponential Growth and Decay” will explain exponential variables and explain how to identify and calculate exponential growth and exponential decay.”
Curated Video
The Keystone Project
The Keystone Project explores the Keystone Project and its effects on environment.