Bozeman Science
Cell Membranes
Paul Andersen explains how cells are selectively permeable with the help of their cell membrane. The main constituents of the cell membrane, including cholesterol, glycolipids, glycoproteins, phospholipids, and proteins are included. The...
TED-Ed
TED-Ed: Can you solve the multiplying rabbits riddle? - Alex Gendler
After years of experiments, you’ve finally created the pets of the future – nano-rabbits! They’re tiny, they’re fuzzy ... and they multiply faster than the eye can see. But a rival lab has sabotaged you, threatening the survival of your...
SciShow
What Makes Your Ears Ring?
What's happening inside our ears when we can hear that ringing? What's happening inside our brains? Sit back, clean the wax out of your ears, and let Michael Aranda explain!
TED Talks
Kristie Ebi: How climate change could make our food less nutritious
Rising carbon levels in the atmosphere can make plants grow faster, but there's another hidden consequence: they rob plants of the nutrients and vitamins we need to survive. In a talk about global food security, epidemiologist Kristie...
SciShow
How to Supercool Water: A SciShow Experiment
Water doesn't always freeze when it's supposed to. Learn about supercooling, and how to supercool a bottle of water at home -- and then turn it to ice instantly!
TED-Ed
TED-Ed: What do all languages have in common? | Cameron Morin
Language is endlessly variable. Each of us can come up with an infinite number of sentences in our native language, and we're able to do so from an early age— almost as soon as we start to communicate in sentences. How is this possible?...
SciShow
How Stereotypes Affect Your Test Scores
It turns out stereotypes can affect you-whether you believe in them or not.
MinuteEarth
Why Are Adults Bad At New Languages?
Learning a new language as an adult is harder than doing so as a child because adults usually aren’t as invested and often use the wrong strategies.
Bozeman Science
Environmental Economics
In this video Paul Andersen explains how economic models, like supply and demand, can be applied to environmental systems. The market forces will not protect environmental services until proper valuation and externalities are...
Bozeman Science
Thinking in Proportion: Level 5 - Proportional Relationships
In this video Paul Andersen shows conceptual thinking in a mini-lesson on proportional relationships. TERMS Quantities - the amount (or number) of a thing Proportional relationship - relation of one dataset to another dataset Directly -...
Bozeman Science
Elements of a Feedback Loop
Paul Andersen defines the major elements of feedback loops. The receptors and effectors both sense and respond to changes in their environment. The following examples are used to illustrate the importance of feedback loops in maintaining...
Be Smart
Why Does February Have 28 Days?
Why does February only get 28 days when all the other months get 30 or 31? The answer is part superstition, part politics, and parts astronomy. Basically, it's the Romans' fault.
Bozeman Science
Entropy
In this video Paul Andersen explains that entropy is simply the dispersion of matter or energy. He begins with a series of video that show the natural direction of processes. According to the second law of thermodynamics the entropy may...
SciShow Kids
Why Do We Laugh?
Knock knock! Who’s there? It’s Jessi and Squeaks exploring the science of why we laugh!
MinuteEarth
Where Did Earth's Water Come From?
Earth didn't have water when it formed, but it does now! How did it get wet?
Bozeman Science
Exponential Growth
Paul Andersen explains how populations experience exponential. He begins by address the major players; N (population size) and r (growth rate). He models population growth in rabbits through four generations. He then shows you how to use...
SciShow
SciShow Talk Show with Toby Spribille & A New Lichen Discovery
Welcome back to SciShow Talk Show where Hank talks to interesting people about interesting things! This week, Hank discusses a new lichen discovery with researcher Toby Spribille.
TED-Ed
TED-ED: Can you solve the seven planets riddle? - Edwin F. Meyer
Your interstellar police squad has tracked a group of criminals to a cluster of seven planets. Now you must apprehend them before their reinforcements arrive. Of course, the fugitives won't just stay put _ they'll try to dodge you by...
TED Talks
TED: The funding gap in start-up investing | Temie Giwa-Tubosun
It is time to close the funding gap for Black female-led start-ups the world over, says entrepreneur Temie Giwa-Tubosun, whose company LifeBank delivers life-saving medical supplies to remote areas in Africa. Today, LifeBank operates...
TED Talks
TED: Stuck in the gig economy? Try platform co-ops instead | Trebor Scholz
Co-ops date back almost 200 years, run by groups of people that work together to own and operate a company. What does it look like when this tried-and-true business model merges with the digital economy? Trebor Scholz introduces the...
Bozeman Science
Position vs. Time Graph - Part 1
Mr. Andersen shows you how to interpret a position vs. time graph for an object with constant velocity. The slope of the line is used to find the velocity. A phet simulation is also included.
SciShow Kids
How Wildfires Help!
Roasting marshmallows over a fire is a lot of fun, but did you know that, in nature, fire keeps our forests clean and healthy and even helps some plants grow?
TED Talks
Steven Petrow: 3 ways to practice civility
What does it mean to be civil? Journalist Steven Petrow looks for answers in the original meaning of the word, showing why civility shouldn't be dismissed as conversation-stifling political correctness or censorship. Learn three ways we...
SciShow
The Biggest Stars in the Galaxy
Learn about hypergiant stars -- stars that make the sun look ridiculously tiny.