SciShow
Can Gray Hair Be Reversed?
Researchers have identified the processes that cause gray hair and have done experiments to reverse it. And believe it or not, we've had some of these options for decades.
SciShow
If Tomatoes Could Talk, Here’s What They’d Say | SciShow News
We’d pictured the plant-fruit relationship as one-way, but new research reports that sometimes the fruit can talk back! And while cow burps are a widely cited contributor to climate change, it turns out that wild pigs might also be...
SciShow
Why Do Old Books Smell So Good?
Musty, with hints of vanilla, coffee, and maybe fresh cut grass-- why do old books smell the best?
SciShow
How Honey Fights Deadly Bacteria
Believe it or not, that cute bear bottle has serious bacteria fighting power—but how? Join Hank Green for a new episode of SciShow all about the amazing properties of honey!
SciShow
10 Bizarre Ways to Avoid Being Dinner
If you’re a wild animal, you might spend your days actively trying to NOT become another animal's dinner. And some animals have come up with some pretty bizarre strategies to stay safe. Hosted by: Michael Aranda
SciShow Kids
The Great Elephant Toothpaste Experiment! | Summer Experiments | SciShow Kids
Jessi and Squeaks experiment with mixing things together and learn how to create a lot of foam!
SciShow
Where's My Bloodless Blood Sugar Monitor
There are about 450 million diabetics around the world, and while we do already have a reliable way of measuring blood sugar, it requires patients to prick their finger each time they want a reading. Is there a better way?
SciShow
What Fake Fragrances Teach Us About Sustainability
Humans love to make perfumes and fragrances from the weirdest sources, And to protect those sources, we sometimes come up with synthetic alternatives....which then create their own sets of environmental problems.
Bozeman Science
AP Biology Labs - part 2
Paul Andersen explains the final 6 of 13 AP Biology Labs. The following topics are included: Transformation, Restriction Analysis of DNA, Energy Dynamics, Transpiration, Animal Behavior, and Enzyme Activity.
SciShow
How Close Are We to Cavity-Proof Teeth?
There’s nothing fun about getting a cavity! It can feel like there’s not much you can do to prevent them, but researchers are working on several ways to tackle their main cause so we can create a cavity-free world!
Bozeman Science
AP Biology Practice 4 - Data Collection Strategies
In this video Paul Andersen describes the science practice of data collection. He begins with a brief description of science and the scientific method. He details concepts related to data collection in each of the four big ideas. He then...
SciShow
Honey: Bacteria's Worst Enemy
It may not look like it sitting in that cute bear bottle, but honey is a supercharged bacteria-killing powerhouse!
SciShow
10 Surprising Chemicals Your Body Makes
Everything is made of chemicals, including the human body, but there are some especially weird ones
SciShow
SciShow Quiz Show: Weird Animal Parenting
How do adult strawberry poison frogs pass on toxins to their tadpoles? What happens when scientists add iodine to axolotl tanks? Find out, as our How To Adult hosts Rachel Calderon-Navarro, Project Manager at DFTBA, and Hank Green face...
Crash Course
Water and Solutions -- for Dirty Laundry: Crash Course Chemistry
Dihydrogen monoxide (better know as water) is the key to nearly everything. It falls from the sky, makes up 60% of our bodies, and just about every chemical process related to life takes place with it or in it. Without it, none of the...
SciShow
How Do Toys Glow in the Dark?
Did you play with glow in the dark toys as a kid? They’re super cool, but kind of mysterious. How do they glow after all? Hank explains the phenomenon in this quick question.
TED Talks
TED: 4 ways we can avoid a catastrophic drought | David Sedlak
As the world's climate patterns continue to shift unpredictably, places where drinking water was once abundant may soon find reservoirs dry and groundwater aquifers depleted. In this talk, civil and environmental engineer David Sedlak...
Bozeman Science
AP Biology Lab 2: Enzyme Catalysis
Paul Andersen starts with a brief description of enzymes and substrates. He then explains how you can measure the rate of an enzyme mediated reaction. Catalase from yeast is used to break hydrogen peroxide down into water and oxygen. ...
SciShow
If Tomatoes Could Talk, Here’s What They’d Say | SciShow News
We’d pictured the plant-fruit relationship as one-way, but new research reports that sometimes the fruit can talk back! And while cow burps are a widely cited contributor to climate change, it turns out that wild pigs might also be...
SciShow
How to Build a Rocket Engine in Your Kitchen (Experiment Episode)
Hank demonstrates how to build a hybrid rocket engine in your kitchen!
SciShow
Should You Use Hydrogen Peroxide to Clean Wounds?
Hydrogen Peroxide: It fizzes, it stings, but does it actually do you any good? Find out on this week's Quick Question!
SciShow
How Do You Get Rid of a Canker Sore?
Do you suffer from canker sores? These little white balls of blinding pain can be annoying, but there is hope.
Bozeman Science
Catalysts
Paul Andersen explains how catalysts can speed up a reaction without being consumed in the reaction. Catalysts can lower the activation energy of reaction be stabilizing the transition state. They can also create new reaction pathways...
Bozeman Science
Enzymes
Paul Andersen explains how enzymes are used to break down substrates. The correct shape of the active site allows a key/lock fit between the enzyme and the substrate. The enzyme catalase is used to break down hydrogen peroxide. The...