Amoeba Sisters
Cell Organelles & Structures: Before the Bell Biology
New ReviewTime before the bell to try 9 questions on cell organelles and structures? Organelles/structures that are listed here include nucleus, mitochondrion, chloroplast, cell membrane, ribosome, ER, golgi apparatus, vacuole, cytoplasm, and more...
Amoeba Sisters
Non-Mendelian Genetics: Before the Bell Biology
New ReviewTime before the bell to try 9 questions focused on non-Mendelian genetics? You'll also get answers complete with illustrations and explanations while music plays in the background. This particular video addresses blood type (multiple...
Amoeba Sisters
Human Body Systems: Before the Bell Biology
New ReviewTime before the bell to try 9 questions focused on human body systems? You'll also get answers complete with illustrations and explanations while music plays in the background. This particular video focuses on general functions and...
Amoeba Sisters
Biomolecules: Before the Bell Biology
New ReviewTime before the bell to try 9 questions focused on biomolecules? You'll also get answers complete with illustrations and explanations while music plays in the background. This particular video focuses on carbohydrates, lipids, proteins,...
Amoeba Sisters
Genetics Vocabulary: Before the Bell Biology
New ReviewTime before the bell to try 7 genetics questions that deal with vocabulary? You'll also get answers complete with illustrations and explanations while music plays in the background. It's a valuable way to use those minutes before the...
Amoeba Sisters
Classification and Taxonomic Groups: Before the Bell Biology
New ReviewTime before the bell to try 10 questions focused on classification and taxonomic groups? You'll also get answers complete with illustrations and explanations while music plays in the background. This particular video addresses taxonomic...
Amoeba Sisters
Lymphatic System
New ReviewExplore the lymphatic system with the Amoeba Sisters! This introduction talks about lymph, the general way lymph travels in the lymphatic system, primary and secondary lymphoid organs and tissues, general functions of the lymphatic...
Amoeba Sisters
Cellular Respiration: Before the Bell Biology
New ReviewTime before the bell to try 8 questions on cellular respiration? You'll also get answers complete with illustrations and explanations while music plays in the background. It's a valuable way to use those minutes before the bell. This...
Amoeba Sisters
Evolution
Explore the concept of biological evolution with the Amoeba Sisters! This video mentions a few misconceptions about biological evolution before providing a general definition. Then this video provides a description of four different...
Crash Course
Revenue Streams: Crash Course Entrepreneurship
Profit, revenue, income, assets, cash flow -- all these words mean money, but they all have specific uses. In business, money is important to us and we want to describe it as accurately as possible.
PBS
Voting Systems and the Condorcet Paradox
What is the best voting system? Voting seems relatively straightforward, yet four of the most widely used voting systems can produce four completely different winners.
MinutePhysics
Ye Olde Debunking
Have you ever wondered where "Ye Olde" spelling comes from? Today we unravel this thorny linguistic issue.
MinutePhysics
Why the Solar System Can Exist
If gravity is so attractive, why doesn't the earth just crash into the sun? Or the moon into the earth?
The answer: Stable Orbits
MinutePhysics
Why Masks Work BETTER Than You'd Think
Thanks to the Heising-Simons foundation for their support: https://www.hsfoundation.org (their COVID-19 grants: https://www.hsfoundation.org/grants/covid-19-response-grants/ )
Check out https://aatishb.com/maskmath to explore and for...
MinutePhysics
Why It's Impossible to Tune a Piano
Pianos can't be perfectly tuned - it's a mathematical fact!
MinutePhysics
Why Isn't It Faster To Fly West?
If the earth is spinning to the east at 1000 miles per hour... why can't we fly west more easily?
MinutePhysics
Why is it Dark at Night
Have you ever wondered why you look up and see a dark sky at night?