TED Talks
TED: How we'll find life on other planets | Aomawa Shields
Astronomer Aomawa Shields searches for clues that life might exist elsewhere in the universe by examining the atmospheres of distant exoplanets. When she isn't exploring the heavens, the classically trained actor (and TED Fellow) looks...
TED-Ed
TED-ED: How to create cleaner coal - Emma Bryce
It takes a lot of fuel to heat our homes, preserve our food, and power our gadgets. And for 40 percent of the world, cheap, plentiful coal gets the job done. But coal also releases pollutants into the air, causing environmental damage...
SciShow
Curiosity’s Sequel, and the Key to Finding Alien Life
SciShow Space News shares the latest developments from around the universe, including the Curiosity’s arrival at its final destination, and new insights into what clues we should really be looking for in our search for alien life.
SciShow
Why Venus Is THE WORST
Venus was once thought to have been very earth-like and pleasant, but now it's considered a harsh wasteland that we wouldn't even send a robot to.
SciShow
How Do Thermal Imaging Goggles Work?
Movies like Predator reveal how useful thermal imaging goggles can be, but why do hot objects give off infrared radiation to begin with?
Crash Course
Radical Reactions Hammonds Postulate - Crash Course Organic Chemistry
Throughout this series we’ve mostly talked about pairs of electrons, but electrons don’t always have a buddy. An atom or group of atoms with a single unpaired electron is called a radical. In this episode of Crash Course Organic...
TED-Ed
TED-Ed: The beginning of the universe, for beginners - Tom Whyntie
How did the universe begin -- and how is it expanding? CERN physicist Tom Whyntie shows how cosmologists and particle physicists explore these questions by replicating the heat, energy, and activity of the first few seconds of our...
SciShow
Absolute Zero: Absolute Awesome
Hank explains absolute zero: -273.15 degrees Celsius - and the coldest place in the known universe may surprise you.
TED Talks
Jennifer Granholm: A clean energy proposal -- race to the top!
Kicking off the TED2013 conference, Jennifer Granholm asks a very American question with worldwide implications: How do we make more jobs? Her big idea: Invest in new alternative energy sources. And her big challenge: Can it be done with...
TED-Ed
TED-ED: Nature's smallest factory: The Calvin cycle - Cathy Symington
A hearty bowl of cereal gives you the energy to start your day, but how exactly did that energy make its way into your bowl? It all begins with photosynthesis, the process that converts the air we breathe into energizing glucose. Cathy...
SciShow
How We Could Prevent a Global Rice Shortage
Rice production needs to see a 50% increase by 2030 to keep up with population growth, but as the climate warms, rice plants will likely become less efficient. Fortunately, scientists are working on a pretty clever potential solution.
Bozeman Science
Asking Scientific Questions
In this video Paul Andersen explains how you can get your students asking more and better scientific questions. In this video Paul Andersen explains how scientific phenomenon and sensemaking can be used in the science classroom to engage...
SciShow
Can Old Dogs Learn New Tricks?
I’t teach an old dog new tricks — but that saying might not be as trustworthy as you’d think.
SciShow
We’ve Found a New(ish) Type of Supernova
We’ve known about different types of supernovas for some time, but researchers now believe they have observed a previously unseen kind! And, sadly, the odds of life on Venus may not be as high as we once believed.
SciShow
Why Did You Skip a Period?
Have you had a normal menstrual cycle and then you suddenly miss a period? There are different reasons why this can happen, and if you don't experience a period you were expecting, you’ll probably want to talk to your health care...
Crash Course
How Do Oceans Circulate? Crash Course Geography
Today, we're going to take a closer look at how the oceans circulate by following the life of a discarded water bottle as it gets snagged in the North Pacific Garbage Patch. We'll talk about what causes the movement of water, called...
Bozeman Science
Endothermic and Exothermic Reactions
In this video Paul Andersen explains how heat can be absorbed in endothermic or released in exothermic reactions. An energy diagram can be used to show energy movements in these reactions and temperature can be used to measure them...
SciShow
How to Stop Light in Its Tracks
Scientists have created beams of light that are slower than a car! Not only that, but with the literal flick of a switch, they can freeze that beam of light in place!
Bozeman Science
Energy Consumption
In this video Paul Andersen explains how humans have consumed energy through history and may consume energy in the future. Sources of energy have included food, animals, wood, wind, coal, oil, and natural gas. However non-renewable...
SciShow
These Bats Make Tiny Snow Caves
One might not think that snow could help anything stay warm through a harsh winter, but these tiny bats have found a way to utilize the insulation provided by the snow: they make little forts to wait out the winter.
Crash Course
Simple Harmonic Motion: Crash Course Physics
Bridges... bridges, bridges, bridges. We talk a lot about bridges in Physics. Why? Because there is A LOT of practical physics that can be learned from the planning and construction of them. In this episode of Crash Course Physics, Shini...
SciShow
Dimmer Switches: Secretly Strobe Lights
Having the ability to dim your lights seems like a pretty simple thing, but modern dimmer switches work in a surprisingly cool way!
Crash Course
Binary and Multiple Stars
Double stars are stars that appear to be near each other in the sky, but if they’re gravitationally bound together we call them binary stars. Many stars are actually part of binary or multiple systems. If they are close enough together...