Crash Course
The New Chemistry: Crash Course History of Science
One of the problems with the whole idea of a single Scientific Revolution is that some disciplines decided not to join any revolution. And others just took a long time to get there.
SciShow
A New Secret Ingredient to Making Queen Bees
Scientists have learned more about why royal jelly makes queen bees, and we peek at the tiny and terrifying mandibles of trap-jaw ants.
Crash Course
Black Holes
We’ve covered a lot of incredible stuff, but this week we’re talking about the weirdest objects in space: BLACK HOLES. Stellar mass black holes form when a very massive star dies, and its core collapses. The core has to be more than...
TED Talks
TED: Songs that bring history to life | Rhiannon Giddens
Rhiannon Giddens pours the emotional weight of American history into her music. Listen as she performs traditional folk ballads -- including "Waterboy," "up Above My Head," and "Lonesome Road" by Sister Rosetta Tharp -- and one glorious...
Curated Video
Wait For It...The Mongols!: Crash Course World History
In which John Green teaches you, at long last, about the most exceptional bunch of empire-building nomads in the history of the world, the Mongols! How did the Mongols go from being a relatively small band of herders who occasionally...
SciShow
Mindcontrolling Parasites
Hank introduces us to some freaky parasites that use mind control to hijack the brains of their hosts.
Bozeman Science
Heat
In this video Paul Andersen explains how heat is the movement of energy from an object with a higher temperature to an object with lower temperature. Heat transfer can occur through conduction, convection, and radiation.
SciShow Kids
Glowing Ocean Animals!
Jessi and Squeaks discover some amazing ocean creatures, ones that glow by themselves!
TED Talks
TED: My love letter to cosplay | Adam Savage
Adam Savage makes things and builds experiments, and he uses costumes to add humor, color and clarity to the stories he tells. Tracing his lifelong love of costumes -- from a childhood space helmet made of an ice cream tub to a No-Face...
Bozeman Science
The Muscular System
Paul Andersen explains the three types of muscle found in humans; striated, smooth and cardiac muscle. He explains how actin and myosin interact to contract the sarcomere in a muscle. The sliding filament theory explains how ATP and...
SciShow
What Really Happened to Phineas Gage?
In 1848, Phineas Gage survived a seemingly unsurvivable injury to his brain, but the tale of that event has become quite colorful, and inaccurate, in many cases. So, what REALLY happened to Phineas Gage?
Crash Course Kids
Defining Gravity
So, if gravity pulls everything down, then why don't things on the bottom of the Earth get pulled down into space? In this episode of Crash Course Kids, Sabrina talks about gravity and explains that when we talk about gravity pulling...
PBS
Relative Invisibility Makes For Uphill Battle To Get Covid Vaccines For Americans With IDD
People with intellectual and developmental disabilities like Down Syndrome,
Cerebral Palsy and Autism often have underlying health conditions that make
them more susceptible to COVID-19. Plus, many receive care in group...
Crash Course Kids
The Ecliptic
So, what is the Ecliptic? Well, it has to do with the Zodiac constellations and our sun and how they move in relation to one another. It's kind of cool! In this episode, Sabrina chats about this imaginary line called the Ecliptic and its...
Crash Course
Influence & Persuasion: Crash Course Media Literacy
We’ve mentioned already that there’s a lot of money in media and a huge chunk of that money is spent on trying to get you to do something – buy something, vote a certain way, change a behavior. How does advertising work? And what’s the...
PBS
Should high schools worry about what students do after graduation? This city says yes
Chicago has a new plan to make sure kids pursue a college degree or have another viable career path after high school. By 2020, in order to get a diploma from Chicago public schools, a student will have to prove that they have a job,...
Bozeman Science
Meiosis
Paul Andersen explains how the process of meiosis produces variable gametes. He starts with a brief discussion of haploid and diploid cells. He compares and contrasts spermatogenesis and oogenesis. He explains how each person is...
SciShow Kids
3 Fun Facts About Bats!
You don’t have to be Batman to think bats are awesome! Learn some fun facts about these furry flying mammals.
TED-Ed
TED-ED: A day in the life of a Roman soldier - Robert Garland
The year is 15 CE, and the Roman Empire is prospering. Most of the credit will go to the emperor, but this success wouldn't have been possible without loyal soldiers like Servius Felix. Robert Garland illuminates what life was like for a...
SciShow Kids
Inspect An Insect
There are more insects in the world than any other kind of animal! In this episode of SciShow Kids, Jessi and Squeaks show you how to identify an insect, in three easy steps!
SciShow Kids
Don’t Be Afraid of Spiders!
A SciShow Kids viewer wants to know more about spiders so she’s not afraid of them anymore. And know what? They’re not scary! They’re awesome!
SciShow
How Do Concussions Cause Amnesia?
Amnesia is a really handy/clich_ literary device and the inciting incident for countless Hanna-Barbera cartoons, but it's also a real, serious affliction caused by major head trauma. Learn how scrambled neurons can permanently alter your...
Bizarre Beasts
Don’t Grab The Venomous Frogs
New ReviewPlenty of frogs can be poisonous, but Greening’s frog and Bruno’s casque-headed frog use bony spines on their snouts to break the skin of would-be predators and introduce toxins into their attacker’s bloodstream. This makes them the...