Bozeman Science
Blood Types
Paul Andersen explains the importance of blood types in blood transfusions. He starts with a brief discussion of blood antigens and antibodies. He describes how the ABO differs from the Rh blood type. He shows you how to solve simple...
Crash Course
What Are Volcanoes? Crash Course Geography
Today we’re going to take a closer look at these beautiful but dangerous landforms as we explore the different types of volcanoes and trace the patterns of volcanic activity around the world. From the explosive power of a stratovolcano...
Crash Course
The Plate Tectonics Revolution: Crash Course Geography
Today we're going to tell the story of a quiet revolution in the 1960s that shifted our entire understanding of how the Earth works. We currently believe that the Earth's broken outer shell rises from the mantle and folds back in - kind...
SciShow
Climate Change
In which Hank details the five scariest things that will likely happen because of climate change.
SciShow
The Massive Chunk of Metal Hiding in the Moon
The moon's South Pole-Aitken basin is the largest known crater in existence, and there's something big hidden underneath.
Crash Course
The Sun
Phil takes us for a closer (eye safe!) look at the two-octillion ton star that rules our solar system. We look at the sun's core, plasma, magnetic fields, sunspots, solar flares, coronal mass ejections, and what all of that means for our...
Bozeman Science
Mechanical and Electromagnetic Waves
In this video Paul Andersen compares and contrasts mechanical and electromagnetic waves. Both types of waves transfer energy through oscillations but mechanical waves requires a medium. Several examples of each type of wave are included.
SciShow
How We Could Study the First Nanoseconds of the Universe
The oldest light we can see comes from when the universe was less than 400,000 years old, so how can we study those first few moments of history?
TED-Ed
TED-Ed: Iceland's superpowered underground volcanoes | Jean-Baptiste P. Koehl
While the weather in Iceland is often cold, wet, and windy, a nearly endless supply of heat bubbles away below the surface. In fact, almost every building in the country is heated by geothermal energy in a process with virtually no...
Bozeman Science
ESS2A - Earth Materials and Systems
In this video Paul Andersen describes the four major spheres on planet Earth. The geosphere makes up the mass of the planet and includes the major landforms. The hydrosphere is all of the water and the atmosphere is all of the gases. ...
SciShow
Mars Colony Plans
Hank is all about Mars, and Elon Musk, the founder of SpaceX, has some plans for colonizing the Red Planet that have got Hank very excited.
SciShow
4 Important Lessons from the Apollo 11 Moon Landing
SciShow Space celebrates the 45th anniversary of the first moon landing by highlighting just four of the most important things we learned from the Apollo 11 mission.
Bozeman Science
Water Resources
In this video Paul Andersen explains how water is unequally distributed around the globe through the hydrologic cycles. Seawater is everywhere but is not useful without costly desalination. Freshwater is divided between surface water and...
SciShow
Weird Places Blood Falls
In our continuing series on Earth's weirdest places, Hank describes the crazy place in Antarctica known as Blood Falls in all its scientifically strange majesty.
SciShow
Tiny Extremophiles Living in Rocks!
In freezing cold sand, a burning hot mine, or even inside solid rock _ these extremophiles live anywhere that you wouldn't want to live. What are they? How can they live in such extreme places?
SciShow
Metal vs. Bacteria
Even before we knew what bacteria were capable of, we were using certain metals to help fight off their effects.. Hank Green explains how on this episode of SciShow.
Crash Course
Jupiter
Jupiter is the biggest planet in our solar system. The gas giant is NOT a failed star, but a really successful planet! It has a dynamic atmosphere with belts and zones, as well as an enormous red spot that’s actually a persistent...
SciShow Kids
Glowing Ocean Animals!
Jessi and Squeaks discover some amazing ocean creatures, ones that glow by themselves!
Crash Course Kids
Weathering and Erosion
In this episode of Crash Course Kids, Sabrina gives us a real world example of how the Hydrosphere and Geosphere affect each other in the form of Weathering and Erosion. Think of Weathering as the force that makes a mess and Erosion as...
SciShow
We May Have Found Mars's Ancient, Underground Lakes - SciShow News
Researchers think a planet-wide groundwater system may have once existed on Mars, and SpaceX launched the very first commercial crew capsule which docked on the International Space Station!
TED Talks
TED: The untapped energy source that could power the planet | Jamie C. Beard
Deep beneath your feet is a molten ball of energy the same temperature as the surface of the sun -- an immense clean energy source that could power the world thousands of times over, says technologist and climate activist Jamie C. Beard....
TED Talks
TED: What rivers can tell us about the earth's history | Liz Hajek
Rivers are one of nature's most powerful forces -- they bulldoze mountains and carve up the earth, and their courses are constantly moving. Understanding how they form and how they'll change is important for those that call their banks...
TED-Ed
TED-Ed: Euclid's puzzling parallel postulate - Jeff Dekofsky
Euclid, known as the "Father of Geometry," developed several of modern geometry's most enduring theorems--but what can we make of his mysterious fifth postulate, the parallel postulate? Jeff Dekofsky shows us how mathematical minds have...