SciShow
How PET Scans See Cancer
When someone gets a PET scan to detect tumors and how far a cancer has spread, that machine is actually detecting sugar. Because cancer has a sweet tooth, and this phenomenon, called the Warburg effect, may help us develop new cancer...
SciShow
Do Plants Get Cancer?
Have you ever seen a tree with a big, twisted knot growing out of it? That's just one way that plants can show signs of cancer. Quick Questions explains.
SciShow
Immortal Cells Turn 96
The world has a lot to thank Henrietta Lacks for, and yet many do not know what she has contributed. From helping to create the polio vaccine to the study of radiation, Henrietta and her HeLa cells have changed the world.
TED-Ed
TED-Ed: Can you solve the giant iron riddle? - Alex Gendler
The family of giants you work for is throwing a fancy dinner party, but there’s a problem — the elder giant’s favorite shirt is wrinkled! To fix it, you’ll need to power up the giant iron. It needs two batteries to work, but the baby...
PBS
What Planet Is Super Mario World?
We've run, jumped, and stomped all over the world of Super Mario, but, where in the universe is Super Mario EXACTLY? It's virtual so it obviously DOESN'T exist but if it did, could Super Mario world be in our solar system? And what do...
Amoeba Sisters
How Cells Become Specialized
How do cells in your body differentiate into other types of cells? Explore cell specialization featuring stem cells and their role in cell differentiation.
SciShow
Why Is Heart Cancer So Rare?
Why don't we hear about people getting heart cancer? Turns out that some types of cells are less susceptible to cancer than others.
Crash Course
Reproductive System, part 2 - Male Reproductive System: Crash Course A&P 41
Our month-long exploration of human reproduction continues with a look at testicular anatomy, the steps of sperm production, and how it's influenced by gonadotropin and testosterone. Hank also explains how sperm mature, and how they...
TED-Ed
TED-Ed: DNA: The book of you - Joe Hanson
Your body is made of cells -- but how does a single cell know to become part of your nose, instead of your toes? The answer is in your body's instruction book: DNA. Joe Hanson compares DNA to detailed manual for building a person out of...
SciShow
Teratomas: What Tumors with Teeth Can Teach Us About Stem Cells
There’s one kind of tumor that’s basically straight out of a horror movie...
TED-Ed
TED-Ed: The genes you don't get from your parents (but can't live without) | Devin Shuman
Inside our cells, each of us has a second set of genes completely separate from our 23 pairs of chromosomes. And this isn't just true for humans— it's true of every animal, plant, and fungus on Earth. This second genome belongs to our...
SciShow
The Bigger Stem Cells Are, the Harder They Fall
When it comes to our blood-producing stem cells, biologists have learned that bigger is not better. And a study has taken a look at the accomplishments and obstacles of an in-progress attempt to restore a large belt of degraded land...
TED-Ed
TED-Ed: Can you solve the Mondrian squares riddle? - Gord Hamilton
Dutch artist Piet Mondrian's abstract, rectangular paintings inspired mathematicians to create a two-fold challenge. Can you solve the puzzle and get to the lowest score possible? Gordon Hamilton shows how.
TED-Ed
TED-Ed: Why do our bodies age? - Monica Menesini
Human bodies aren't built for extreme aging: our capacity is set at about 90 years. But what does aging really mean, and how does it counteract the body's efforts to stay alive? Monica Menesini details the nine physiological traits that...
SciShow
Genetically Engineered Cancer-Fighting Algae
Learn how scientists are fighting cancer... with algae!
TED-Ed
TED-Ed: The immortal cells of Henrietta Lacks - Robin Bulleri
Imagine something small enough to float on a particle of dust that holds the keys to understanding cancer, virology, and genetics. Luckily for us, such a thing exists in the form of trillions upon trillions of human, lab-grown cells...
Curated Video
Warning: You're Probably Factoring out Negative Numbers WRONG
Whether you're just starting out, or need a quick refresher, this is the video for you! Mrs. C will go show you step-by-step how to factor out a negative number in an algebraic expression.
Curated Video
Multiplying Rational Numbers
If you're just beginning or need a quick refresher, this video is perfect for understanding how to multiply positive and negative decimal numbers and fractions.
Curated Video
Mastering Factoring: A Complete Guide to Factoring Algebraic Expressions
Whether you're just starting out, or need a quick refresher, this is the video for you! Mrs. C will go show you step-by-step how to factor an algebraic expression, using different methods and several examples.
Curated Video
How to Multiply this Fraction to this Decimal Number
Whether you're just starting out, or need a quick refresher, this is the video for you! Mrs. C will go through how to multiply a fraction to a decimal number step-by-step.
Curated Video
Factoring Out Coefficients Made Simple
Whether you're just starting out, or need a quick refresher, this is the video for you! Mrs. C will go show you step-by-step how to factor out a coefficient in an algebraic expression.
Curated Video
Are You Solving Complex Fractions the Wrong Way?
Whether you're just starting out, or need a quick refresher, this is the video for you! Mrs. C will go through how to solve and simplify complex fractions step-by-step.
Curated Video
Percentage yield
A measurement of the efficiency of a chemical reaction, calculated by dividing the actual amount of product by the theoretical maximum amount. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning...