Crash Course
Family Obligations: Crash Course Philosophy
Today we are investigating our moral obligations to our parents and our families. Do we owe our parents anything as adults? Would it be a good idea to license parents? We’ll explore these questions as well as the ethics of care, and some...
SciShow
Flowers, Bees, and... Yeast? It's a Pollination Love Triangle!
Bees and flowers are as classic a pair as peanut butter and jelly. But recent research suggests there's a third, much tinier partner in this relationship!
SciShow
What Psychologists Can Tell You About Ghosting
Ghosting is when someone terminates a relationship by ending communications abruptly and without explanation. Whether or not you'd consider ghosting someone might have a lot to do with how you view relationships in general.
Bozeman Science
Electric Field Strength
In this video Paul Andersen explains how the electric field strength is directly related to the amount of charge that generates the field.
SciShow
Why Does Pet Therapy Work? (It’s Not Just Cute Dogs)
Many studies have shown that pets can relieve anxiety, stress, and provide comfort, but why pet therapy is effective has a lot more to do with us than our furry pals.
Crash Course
Taxonomy: Life's Filing System - Crash Course Biology
Hank tells us the background story and explains the importance of the science of classifying living things, also known as taxonomy.
Bozeman Science
Coevolution
Paul Andersen explains the concept of coevolution. He begins with an analogy comparing the relationship of humans to technology with those of coevolving species. He then discriminates between coevolution and convergent evolution. He...
Bozeman Science
Gases
In this video Paul Andersen explains how gases differ from the other phases of matter. An ideal gas is a model that allows scientists to predict the movement of gas under varying pressure, temperature and volume. A description of both...
Crash Course
Fluid Flow & Equipment: Crash Course Engineering #13
Today we’ll dive further into fluid flow and how we can use equipment to apply our skills. We explain Bernoulli’s Principle and the relationship between speed and pressure in certain flowing fluids. We’ll also discuss how to apply the...
Bozeman Science
Electromagnetic Radiation
In this video Paul Andersen details the waves in electromagnetic radiation. There is an inverse relation between the wavelength and frequency of electromagnetic waves. Electromagnetic radiation includes gamma rays, x-rays, infrared...
Crash Course
How Do We Investigate Outbreaks? Epidemiology Crash Course Outbreak Science
At the heart of outbreaks are people! People are the ones who get sick, transmit diseases, and change the way they live in response to outbreaks. In outbreak science, we can better understand the relationship between people and disease...
SciShow
Valentine’s Day Is Bad for Relationships (and That’s a Good Thing)
Scientists have found that Valentine's Day can have a negative impact on relationships and the holiday-related obligation to be lovey-dovey may have something to do with it.
TED Talks
Katie Hood: The difference between healthy and unhealthy love
In a talk about understanding and practicing the art of healthy relationships, Katie Hood reveals the five signs you might be in an unhealthy relationship -- with a romantic partner, a friend, a family member -- and shares the things you...
Crash Course
Evolution: It's a Thing - Crash Course Biology
Hank gets real with us in a discussion of evolution - it's a thing, not a debate. Gene distribution changes over time, across successive generations, to give rise to diversity at every level of biological organization.
Crash Course
George Orwell's 1984, Part 2: Crash Course Literature 402
In which John Green continues discussing George Orwell's 1984. Today we're talking about what the novel 1984 has to say about what some have called today's surveillance society. We'll also look at the idea that language can be used as a...
TED-Ed
TED-Ed: 4 signs of emotional abuse | Viann Nguyen-Feng
Emotional abuse can be incredibly damaging, increasing a person's chances of developing depression and anxiety. But these behaviors can be subtle and difficult to spot, both from within and outside a relationship. It also often makes...
SciShow
Codependency When Relationships Become Everything
Interpersonal relationships are important to humans, but there are also times when these relationships can be unhealthy.
Crash Course
How to Build Customer Relationships: Crash Course Entrepreneurship
Like any committed relationship, the relationship between a business and its customers needs nurturing. And that shouldn’t come as a surprise! We need customers to run a successful business, and naturally they’re going to have certain...
TED-Ed
TED-Ed: The ABC's of gas: Avogadro, Boyle, Charles - Brian Bennett
How can bottles and balloons help explain the different laws that govern gas? See how Boyle's Law, Charles' Law, and Avogadro's Law help us understand the laws that govern gas properties.
SciShow
Does Giving Thanks Really Make Us Feel Good?
Researchers have found that the expression of gratitude gives positive effects on our both mental and physical health.
PBS
David Brooks on emerging from loneliness to find 'moral renewal'
In his new book, "The Second Mountain: The Quest for a Moral Life," New York Times columnist and NewsHour regular David Brooks explores the current American cultural moment, in which he argues we have become self-centered and cognitive...
TED Talks
Wade Davis: Dreams from endangered cultures
With stunning photos and stories, National Geographic Explorer Wade Davis celebrates the extraordinary diversity of the world's indigenous cultures, which are disappearing from the planet at an alarming rate.
TED-Ed
TED-Ed: What’s the point(e) of ballet?
A baby cursed at birth. A fierce battle of good and evil. A true love awoken with a kiss. Since premiering in 1890, “The Sleeping Beauty” has become one of the most frequently staged ballets in history. So what makes this piece so...
TED Talks
TED: Be passionate. Be courageous. Be your best. | Gabby Giffords and Mark Kelly
On January 8, 2011, Congresswoman Gabby Giffords was shot in the head while meeting constituents in her home town of Tucson, Arizona. Her husband, the astronaut Mark Kelly, immediately flew to be by her side. In this emotional...