Bozeman Science
Bond Length and Bond Energy
In this video Paul Andersen explains how the bond length and bond energy are calculated using an energy distance graph. The strength of the bond is determined by the charges in the constituent atoms. As the charge increases the bond...
TED Talks
Werner Reich: How the magic of kindness helped me survive the Holocaust
Holocaust survivor Werner Reich recounts his harrowing adolescence as a prisoner transported between concentration camps -- and shares how a small, kind act can inspire a lifetime of compassion. "If you ever know somebody who needs help,...
TED-Ed
TED-ED: Can you solve the three gods riddle? - Alex Gendler
You and your team have crash-landed on an ancient planet. Can you appease the three alien overlords who rule it and get your team safely home? Created by logician Raymond Smullyan, and popularized by his colleague George Boolos, this...
Bozeman Science
Harmonics
In this video Paul Andersen explains how the wavelength of a standing wave is determined by the boundary length and frequency of the wave. The fundamental frequency has a wavelength double the boundary length. Harmonics are built on the...
SciShow
Why Haven't We Built a Better Battery?
Improving batteries is a tough problem, but it’s also an important one because in many ways the future of our planet also depends on the future of batteries. Luckily, scientists are on the case, figuring out ways to give this essential...
TED Talks
Alix Generous: How I learned to communicate my inner life with Asperger's
Alix Generous is a young woman with a million and one ideas -- she's done award-winning science, helped develop new technology and tells a darn good joke (you'll see). She has Asperger's, a form of autistic spectrum disorder that can...
SciShow
Dark Matter Is Even Stranger Than We Thought | SciShow News
Scientists can see how dark matter is distributed based on how its gravity affects light, but when astronomers compared recent data from the Hubble Space Telescope and the Very Large Telescope to current models, something didn’t add up....
Bozeman Science
Chemical Change
In this video Paul Andersen explains how chemical differs from physical change. In the laboratory macroscopic observations are used to infer changes at the particulate level. Evidence for chemical change include gas production, change in...
TED-Ed
TED-ED: How to prove a mathematical theory - Scott Kennedy
Euclid of Alexandria revolutionized the way that mathematics is written, presented or thought about, and introduced the concept of mathematical proofs. Discover what it takes to move from a loose theory or idea to a universally...
TED Talks
TED: Why I fight for climate justice | Xiye Bastida
In a deeply moving letter to her grandmother, Xiye Bastida reflects on what led her to become a leading voice for global climate activism -- from mobilizing school climate strikes to speaking at the United Nations Climate Summit...
Bozeman Science
Periodicity
In this video Paul Andersen explains why atoms in the periodic table show trends in ionization energy, atomic radii, electronegativity and charge. All of these trends are explained through Coulomb's Law. A brief description of Dmitri...
SciShow
How Harry Potter Turns You Into A Wizard
Have you ever read Harry Potter and wished that you were a student at Hogwarts, studying magic with Harry, Ron, and Hermione? Well, your wish might have partially come true, without you knowing it.
TED-Ed
TED-ED: The pleasure of poetic pattern - David Silverstein
Humans are creatures of rhythm and repetition. From our breath to our gait: rhythm is central to our experience, and often brings us pleasure. We can find pleasure in the rhythm of a song, or even the rows of an orchard. Of course, too...
SciShow
How Swearing Can Help With Pain
If you've ever been chastised for erupting into profanity after stubbing your toe in the middle of the night, science has your back on this one.
SciShow
Tasting Colors and Seeing Time: Superhuman Skills with Synesthesia
Synesthesia allows people to hear color or taste numbers,and maybe even remember some things better than the average person.
SciShow
Why ‘Dad Jokes’ Aren’t Bad Jokes
If, when your childhood pet passed away, your father remarked, “Well, I’ll be dog-gone,” you might be the victim of a dad joke. Fortunately, dad jokes might actually be a good thing.
SciShow
Relative Humidity Isn't What You Think It Is
Have you ever wondered why 75% humidity in the summer feels sticky, but 75% humidity in the winter feels super dry? Turns out, the common definition of humidity is inconvenient and confusing. But there is a better way!
TED-Ed
TED-Ed: How does your smartphone know your location? - Wilton L. Virgo
GPS location apps on a smartphone can be very handy when mapping a travel route or finding nearby events. But how does your smartphone know where you are? Wilton L. Virgo explains how the answer lies 12,000 miles over your head, in an...
SciShow
Dyslexia: When Your Brain Makes Reading Tricky
While many researchers are focusing on finding a difference in brains of people with dyslexia, some new research suggests it might not just be in their brains, but in their eyes.
SciShow
You Read More Slowly As You Get Older — Here's Why
Researchers have noticed a decline in reading ability starting in your 40s. And learning more about why this happens might help us tell the difference between healthy aging and Alzheimer’s disease.
TED Talks
TED: If you adults won't save the world, we will | Xiye Bastida
In a deeply moving letter to her grandmother, Xiye Bastida reflects on what led her to become a leading voice for global climate activism -- from mobilizing school climate strikes to speaking at the United Nations Climate Summit...
SciShow
Why You Think You Look Better in Selfies
You might have had the experience of heading out for the night, feeling good, snapping a few selfies with friends that memorialize for all time how great your hair is looking. But the next day, you’re tagged in someone else’s photos and…...
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...
Bozeman Science
LS2C - Ecosystem Dynamics, Functioning and Resilience
In this video Paul Andersen explains how ecosystems respond to disruptions. Disruptions can cause changes in the number and variety of organisms. It can also lead to migration, extinction or even speciation. Ecosystems that have a higher...