Kurzgesagt – In a Nutshell
Why Black Holes Could Delete The Universe—The Information Paradox
The holographic principle of black holes derives from string theory. An out-of-this-world video explains black holes, the holographic principle, and the information paradox. It takes difficult and abstract ideas and explains them through...
Kurzgesagt – In a Nutshell
Fusion Power Explained—Future or Failure
A day without fusion is like a day without sunshine. The video explains what fusion is and how we might be able to create the energy on Earth rather than relying on the sun. It highlights the pros and cons of fusion power.
Kurzgesagt – In a Nutshell
Fracking Explained: Opportunity or Danger
The use of fracking on five continents means many debates occur about its safety. The video explains what fracking is and why some consider it unsafe. It highlights why people use fracking and the reasons some areas no longer allow it.
Kurzgesagt – In a Nutshell
3 Reasons Why Nuclear Energy Is Terrible!—Part 2
Many people argue nuclear energy destroys countries and should not be used. An enlightening video offers the three biggest reasons to stop nuclear energy usage. From nuclear weapons to nuclear waste, more than 70 years of nuclear...
Kurzgesagt – In a Nutshell
What is Dark Matter and Dark Energy?
All matter in the universe only adds up to five percent of the universe — the video explains the other 95 percent. It describes what we know about dark matter and dark energy. With more to learn, scientists share the excitement of their...
Kurzgesagt – In a Nutshell
Death From Space—Gamma-Ray Bursts Explained
A gamma-ray burst might have caused the mass extinction 450 million years ago. The video introduces the concept of gamma rays and gamma-ray bursts. Then it explains what happens if they were to hit Earth and why we can't prepare for any...
Kurzgesagt – In a Nutshell
The Last Light Before Eternal Darkness—White Dwarfs and Black Dwarfs
Have you ever wondered how the universe will end? The video offers a look at the progression into eternity. It explains how humans might exist living by a white dwarf once all of the other stars are gone. Then it details the death of the...
Teacher's Pet
Convection
Does it make more sense to place a space heater in the middle or on one side of a room to heat it? After watching a video on convection that explains what causes it, and how it works, pupils know the correct answer.
Teacher's Pet
Changes of States of Matter
While scientists debate if there are five or seven different states of matter, this video introduces the most common three. It explains the properties of each, kinetic theory, and the changes that occur due to temperature fluctuation.
Teacher's Pet
Matter
You are living, occupy space, and have mass; therefore, you matter! The video discusses matter including both substances and compounds. Then it details elements, mixtures, and phases of matter before concluding with a couple of...
Stated Clearly
What Caused Life's Major Evolutionary Transitions?
Scientists regularly observe evolution, but what are the major transitions? A short, engaging video explains the transition from genes to genomes, and then highlights the move from simple cells to complex cells. Finally, the narrator...
Stated Clearly
Part 2: How Does New Genetic Information Evolve? Gene Duplications
An engaging video explains the mechanisms that cause changes to occur in genetic code. The narrator explains how duplication lengthens the genetic code and then highlights three examples of gene duplications and their resulting new traits.
Stated Clearly
Part 1: How Does New Genetic Information Evolve? Point Mutations
Every child born has roughly 70 point mutations. The video explains what point mutations are and how they are passed from generation to generation. The narrator includes several examples of beneficial point mutations leading to entirely...
Stated Clearly
What is a Gene?
The majority of foods in the United States are genetically modified. The video explains the idea behind genetically modified foods. It starts with the basics of a gene and their functions. The narrator then works through current...
Stated Clearly
What is DNA and How Does it Work?
Discussions of DNA occur in Jurassic Park, X-men, Dexter, and CSI, yet many don't fully understand it. The video explains what DNA is, where it is located, and how it forms proteins. The chemistry of life becomes understandable through...
Stated Clearly
Does the Theory of Evolution Really Matter?
Without the theory of evolution, we wouldn't understand the origins of HIV. The video explains three mysteries solved using the theory of evolution. It opens with shrinking fish, then the origins of HIV, and finally why grasslands turn...
Stated Clearly
What is Natural Selection?
If you carefully observe populations with short life cycles, you can observe natural selection happening. The video explains what natural selection is, how scientists theorized it, and how science proves the concept. It highlights the...
Stated Clearly
What is Evolution?
A short video offers a simple, yet engaging, explanation of the theory of evolution using amoebas as an example. The narrator uses the example of the evolution of dog breeds as an example of how humans can influence the course of change.
Stated Clearly
What is the Evidence for Evolution?
Would you believe whales and hippos share a common ancestor? The video discusses the evidence from a variety of scientific disciplines supporting evolution, focusing specifically on whales and their connections to hippos. The narrator...
Teacher's Pet
History of Evolutionary Thought
Charles Darwin and Alfred Russel Wallace jointly created the theory of evolution by natural selection. The video explains the scientists that came before and after this pivotal moment. Many still debate why we often forget about Wallace...
Teacher's Pet
Evidence for Evolution
Just over 1/3 of Americans reject evolution, insisting all living things have existed in their present form for all of time. The video offers multiple types of support for evolution. It discusses the evidence from fossils, anatomy,...
Teacher's Pet
Speciation
Darwin believed species came from other pre-existing species. Now we know it is more complicated than that. The video focuses on speciation and patterns of evolution.
Teacher's Pet
Types of Natural Selection
Natural selection—good things come to those who mate. The video introduces the idea of natural selection. Then it details three types: directional, stabilizing, and disruptive. It includes both graphs and examples for each type.
Teacher's Pet
Disruption of Genetic Equilibrium
Could a population stay the exact same over time with no change in allele frequencies? The video explains the Hardy-Weinberg equilibrium theorem and the assumptions it requires. It discusses mutation, migration, gene flow, genetic drift,...