SciShow
Making Plants High-Tech With Artificial Neurons | SciShow News
Biology and technology grew closer together when scientists manufactured neurons that acted like those in a brain! And birds evolved to protect themselves in two ways: fight and flight.
Curated Video
What Is Fire?
Why does fire burn? What's the chemistry and physics of a flame? This week, learn about the beautiful science happening inside a flame!
SciShow
The Smokin' Science of Fire Extinguishers
Different fuels create different types of fires, and each one needs to be extinguished using a specific strategy. Do you know which class of extinguisher is needed for different fires?
Bozeman Science
Thermodynamics and P-V Diagrams
In this video Paul Andersen explains how the First Law of Thermodynamics applies to an ideal gas in a piston. A pressure-volume graph can be used to determine the type of thermodynamic process. Included is a discussion of and P-V diagram...
TED-Ed
TED-Ed: What really happened to the Library of Alexandria? - Elizabeth Cox
2,300 years ago, the rulers of Alexandria set out to fulfill a very audacious goal: to collect all the knowledge in the world under one roof. In its prime, the Library of Alexandria housed an unprecedented number of scrolls and attracted...
SciShow
3 Whack Weather Phenomena
Hank describes three of the whackest weather phenomena on Earth: atmospheric rivers, fire tornadoes, and ball lightning. Super interesting and super weird.
TED Talks
TED: How the teddy bear taught us compassion | Jon Mooallem
In 1902, President Theodore Roosevelt legendarily spared the life of a black bear -- and prompted a plush toy craze for so-called "teddy bears." Writer Jon Mooallem digs into this toy story and asks us to consider how the tales we tell...
TED Talks
Jonathan Zittrain: The Web as random acts of kindness
Feeling like the world is becoming less friendly? Social theorist Jonathan Zittrain begs to differ. The Internet, he suggests, is made up of millions of disinterested acts of kindness, curiosity and trust.
Crash Course
Ragnarok: Crash Course World Mythology
Ragnarok! It's the end of the world, Norse style. It's got everything you want in an apocalypse. Earthquakes, destruction, armies of the dead, a giant evil wolf, giants with flaming swords, and a kind of happy ending. It's got it all....
TED-Ed
TED-Ed: The brilliance of bioluminescence - Leslie Kenna
Some lucky animals are naturally endowed with bioluminescence, or the ability to create light. The firefly, the anglerfish, and a few more surprising creatures use this ability in many ways, including survival, hunting, and mating....
Bozeman Science
Water Pollution
In this video Paul Andersen explains how water quality can be degraded by pollutants. Wastewater is the main source of water pollution and can be measure using the BOD (biochemical oxygen demand). Dead zones, cultural eutrophication,...
TED-Ed
TED-ED: The myth behind the Chinese zodiac - Megan Campisi and Pen-Pen Chen
What's your sign? In Western astrology, it's a constellation determined by when your birthday falls in the calendar. But according to the Chinese zodiac (__), it's your shuxiang, meaning the animal assigned to your birth year. And of the...
TED-Ed
TED-Ed: Why should you read “Fahrenheit 451”? - Iseult Gillespie
Ray Bradbury’s novel imagines a world where books are banned- and possessing, let alone reading them, is forbidden.The protagonist, Montag, is a fireman responsible for destroying what remains. The story raises the question: how can you...
TED Talks
TED: Imaging at a trillion frames per second | Ramesh Raskar
Ramesh Raskar presents femto-photography, a new type of imaging so fast it visualizes the world one trillion frames per second, so detailed it shows light itself in motion. This technology may someday be used to build cameras that can...
TED Talks
John La Grou: A plug for smart power outlets
John La Grou unveils an ingenious new technology that will smarten up the electrical outlets in our homes, using microprocessors and RFID tags. The invention, Safeplug, promises to prevent deadly accidents like house fires -- and to...
Bozeman Science
ESS3B - Natural Hazards
In this video Paul Andersen explains how natural disasters (like earthquakes, tsunamis, volcanoes and flooding) have affected and will continue to affect humans on the planet. Many of the natural hazards (like volcanoes and storms) can...
TED Talks
TED: Why wildfires have gotten worse -- and what we can do about it | Paul Hessburg
Megafires, individual fires that burn more than 100,000 acres, are on the rise in the western United States -- the direct result of unintentional yet massive changes we've brought to the forests through a century of misguided management....
TED-Ed
TED-Ed: How fast is the speed of thought? | Seena Mathew
Your mortal enemy has captured you and hooked you up to a bizarre experiment. He's extended your nervous system with one very long neuron to a target about 70 meters away. At some point, he's going to fire an arrow. If you can then think...
Crash Course
Lab Techniques & Safety: Crash Course Chemistry
Hank takes a break from the desk to bring you to the lab in order to demonstrate some important points about the practical side of chemistry - experimentation in the laboratory. You'll learn what to wear in the lab, how to dispose of...
MinuteEarth
The Best Dragon (According to Science)
We ranked dragons based on how biologically and evolutionarily plausible they are. ___________________________________________ To learn more, start your googling with these keywords: Tetrapods: four-limbed (with a few exceptions, such as...
TED-Ed
TED-ED: The city of walls: Constantinople - Lars Brownworth
The world owes much of its cultural legacy to Constantinople's walls. When Constantinople was under seige by neighboring enemies, the Roman city's elaborate system of moats, outer walls, and inner walls stood tall. Surviving numerous...
Curated Video
Controlled Burns: Safely Clearing Forest Hazards and Promoting Regeneration
Controlled burns are intentionally set fires conducted by professionals in the Forest Service to safely clear out hazardous wildfire fuel and promote forest rejuvenation. Scheduled during favorable weather conditions, these burns not...