Curated Video
Aschs Konformitätsexperiment
In den 1950er Jahren entwickelte der Psychologe Solomon Asch eine Studie, um zu untersuchen, ob der Gruppenzwang stark genug sein kann, um unsere Wahrnehmung zu verändern und uns an Dinge glauben zu lassen, die nicht wahr sind. Zu diesem...
Brainwaves Video Anthology
Joel Westheimer - What Kind of Citizen? Educating Our Children for the Common Good
Joel Westheimer is University Research Chair in Democracy and Education at the University of Ottawa and an education columnist for CBC Radio. He began his career teaching in the New York City Public School system before obtaining a PhD...
Curated Video
Cool Us or Kill Us? Did Geoengineering Cause a Huge Famine?
This episode of Weathered explores the controversial world of solar geoengineering by injecting sulfate aerosols into the stratosphere, looking at both the controversial promises and profound risks associated with manipulating the...
Curated Video
Absolute zero
The lowest temperature theoretically possible, at which particles would stop vibrating. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig Science...
Curated Video
Theory
An explanation or model that is logical, testable and predictive. 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
Phlogiston and Oxygen
How French Chemist Antoine Lavoisier revealed the true significance of oxygen and brought about the birth of modern chemistry. Chemistry - Periodic Table - Learning Points. Antoine Lavoisier experimented with weighing substances before...
Curated Video
Discovery of Phosphorus
The story of Hennig Brand and how he discovered the element phosphorus by boiling buckets of urine. Discover why his experiments paved the way for the discovery of the modern chemical elements. Chemistry - Periodic Table - Learning...
Curated Video
Nuclear Fusion: The Hot and Cold Science
When a group of scientists claimed they had achieved nuclear fusion, the discovery became one of the most controversial of the 20th century. What is fusion, and what role does heat play in it? Physics - Energy And Radioactivity -...
Curated Video
Oxygen and Combustion
Combustion reactions are vital: from keeping us warm and cooking our food, to providing electricity and propelling rockets into outer space. What do we know about these chemical reactions? Chemistry - Reactions - Learning Points....
Curated Video
Oxidation Reactions
Why do we cook our food wrapped in aluminium foil? Why does metal rust? It all comes down to oxidation reactions. Discover what happens to cause these reactions, and how to stop them. Chemistry - ReactionsLearning Points. The combustion...
Curated Video
Dogs and Wolves: Nature or Nurture?
A unique experiment investigates what happens to wolf cub's wild nature if they are raised in a domestic environment. Will nature or nurture win out? Biology - Cells And DNA - Learning Points. Wolves and dogs are 99.8% genetically...
Curated Video
Leaded and Unleaded Petrol
In USA in the 1970s, 200,000 tonnes of lead was added to petrol every year. Now leaded petrol for cars is banned. Discover the dangers of tetraethyl lead in petrol. Chemistry - Chemical Industries - Learning Points. Midgley Junior added...
Curated Video
How Hot Is the Earth's Core?
Unreachable by man, scientists have developed a complex experiment to demonstrate the heat and pressure at the centre of the Earth. Earth Science - Geology - Learning Points. The Earth's core is a dense ball of iron and nickel. To...
Curated Video
Nobel Prize By Chance
What scientists believed was a technical fault with their equipment turned out to be radiation left over from the Big Bang - one of the greatest astronomical discoveries of the 20th century. Physics - Universe - Learning Points....
Curated Video
The Race for Absolute Zero: Liquefying Gas
How a race between two scientists to liquefy gases led them near to absolute zero - the coldest temperature possible. Physics - Energy And Radioactivity - Learning Points. Absolute zero occurs at -273.15 degrees Celsius. Absolute zero is...
Curated Video
Curious Case of Phineas Gage
When Phineas Gage's brain was injured in a freak accident, his personality changed giving scientists a unique opportunity to study brain function. Biology - Being Human - Learning Points. Phineas Gage, a railway construction foreman...
Curated Video
Ripening Fruit
Unripe bananas travel from all around the world but always end up ripe and yellow on the supermarket shelves. This experiment shows us how. Chemistry - Chemical Industries - Learning Points. Millions of bananas are exported across the...
Curated Video
Large Hadron Collider
The Large Hadron Collider, the world's longest particle accelerator, is exciting scientists around the world who hope it can recreate the moments just after the Big Bang. Physics - Universe - Learning Points. The Large Hadron Collider is...
Curated Video
Smallpox: The First Vaccine
How the contagious and lethal smallpox virus was finally eradicated - 150 years after the first chance to prevent a global outbreak was missed. Biology - Cells And DNA - Learning Points. Smallpox is an acute, contagious disease - one of...
Curated Video
The Curse of Phlogiston
The 17th century German chemist Johann Becher proposed that an element, phlogiston, was released when substances burned. He was wrong, and his incorrect theory led many early chemists to misunderstand the significance of some of their...
Curated Video
Coriolis Effect
What is the Coriolis effect? How is it produced and how does it affect our weather? Earth Science - Weather - Learning Points. The way wind blows determines thunderstorms to hurricanes. The Coriolis Effect is a deflection of moving mass...
Curated Video
The Race for Absolute Zero: Laser Cooling
Lasers are usually associated with heat. But scientists have instead used them to reach the coldest temperature ever recorded. Could they reach absolute zero? Physics - Energy And Radioactivity - Learning Points. Absolute zero is...
Curated Video
Mars: The Search for Water
We know that Mars once had a landscape with oceans and rivers, but what happened to it? Physics - Universe - Learning Points. Although Mars is a freezing dry world today, it is thought the planet was once like Earth. If liquid water once...
Curated Video
Carbon: Buckminsterfullerene
Discovered in 1985, Buckminsterfullerene has some fascinating characteristics. What is it and how is it shaping the future of chemistry? Chemistry - Atoms And Bonding - Learning Points. In the 1980s, a new carbon allotraope was found -...