Be Smart
20 MILLION Year-Old Spider!! Unweaving Spider Silk
Living things have engineered some pretty awesome materials, but I'm not sure anything measures up to spider silk. It's as strong, as stretchy, and as resilient than even humans' most advanced creations like Kevlar and steel. So how do...
SciShow
A New, Bubbly Origin Story for the Solar System
We might be closer to figuring out how our solar system was born and NASA has two finalists for its next New Frontiers mission.
Crash Course
Game Theory and Oligopoly: Crash Course Economics
Would you like to play a game, Dr. Falken? Actually, this episode isn't really about games, or Matthew Broderick, or Thermonuclear War. But enough with the long references to 1983's best movie, War Games. Today Jacob and Adriene are...
Amoeba Sisters
Punnett Squares and Sex-Linked Traits
Explore inheritance when carried on the X chromosome with the Amoeba Sisters! This video focuses on how to do general Punnett square problems that involve traits on the sex chromosomes (X and Y chromosomes). We do want to point out...
SciShow
What Makes a Species a Species
Sorting organisms into categories seems pretty simple at first, but look a little closer and things get weird.
Bozeman Science
LS4C - Adaptation
In this video Paul Andersen defines adaptations and explains how organisms can become better adapted to their surroundings using the process of natural selection. Specific examples of adaptations, like coat color in rock pocket mice, as...
SciShow
The Real Reason Dogs Kick When You Scratch Them
If you’ve ever been scratching a dog and seen them do the kicky leg thing, it’s truly adorable. But it might not necessarily be a feel-good thing.
SciShow
The Bacteria That Make Perfect, Tiny Magnets
Learn how magnetic bacteria work, and how scientists think they can help technology in the future!
SciShow
Scientists May Have Found a Way to Treat All Cancers... By Accident | SciShow News
A universal cure for cancer would be a truly historic achievement in medicine, and it seems that scientists may have found it... by accident.
SciShow Kids
What Are Clouds Made Of?
Clouds can look like castles made of cotton candy, or they can be thin and wispy. But have you ever wondered what clouds actually are?
Amoeba Sisters
General Lab Safety
This Amoeba Sisters video introduces science lab safety guidelines with memorable illustrations and an accompanying handout listed under "safety". This video includes the discussion of proper lab attire, importance of proper disposal of...
SciShow Kids
Why Is Fire Hot?
Whether you're out camping, cooking, or snuggled up in front of your fireplace, you know that fire is hot! But why? Join Jessi and Squeaks to learn how fires turn wood or other fuel into useful heat!
SciShow
Does Psychotherapy Work?
You might’ve heard people talking about how awesome psychotherapy can be, but is it actually effective?
SciShow
Why Is My Pee Green?
How worried should you be when your urine isn't yellow, but instead it's green, red, or even black?
TED Talks
Stuart Oda: Are indoor vertical farms the future of agriculture?
By 2050, the global population is projected to reach 9.8 billion. How are we going to feed everyone? Investment-banker-turned-farmer Stuart Oda points to indoor vertical farming: growing food on tiered racks in a controlled,...
SciShow
Social Interaction and the 'Bliss Molecule'
This week on SciShow News, scientists found that social interaction triggers the production of the “bliss molecule” in mice. Plus, eating sugar is about more than just the calories.
PBS
What Does Dark Energy Really Do?
How does dark energy affect the universe's expansion? Measuring past expansion history should tell us the future expansion without ever having to count any galaxies. To measure this we need to measure the redshift-distance relationship,...
SciShow
This Tree Oozes Metal Sap
In the South Pacific, there is a rare tree so rich in metal that its sap runs blue.
SciShow
Using Microbes to Mine Mars: The Future of Biomining
Humans have been using microbes to separate minerals from mud since the middle of the last century, so we know biomining works on earth. But how will these tiny miners work in microgravity?
TED Talks
TED: A close-to-home solution for accessible childcare | Chris Bennett
Childcare needs a transformation -- but rather than investing billions in new buildings and schools, what if we could unlock the potential of people already nearby? Entrepreneur Chris Bennett offers an innovative way to tackle the...
SciShow
What Does Ultrasound Gel Do?
You may have had an ultrasound before, and wondered what that gel does. Well, that weird alien goop has a purpose, and it has to do with being like our weird human skin.
SciShow
The Problem With Those 9 Personality Types
The Enneagram, like many personality tests, isn't well backed-up by scientific research, but its popularity in spite of that can give us a window into how the human mind works.
Bozeman Science
Response to External Environments
Paul Andersen explains how organisms respond to the external environment. He begins with a discussion of behavioral responses like hibernation and migration. He ends with a discussion of physiological responses like shivering and...
SciShow
How to Build a Rocket Engine in Your Kitchen (Experiment Episode)
Hank demonstrates how to build a hybrid rocket engine in your kitchen!