SciShow
The Smelly, Oozy, Sometimes Explode-y Science of Garbage
You ever think about where your trash goes? How long it takes to decompose? And whether your garbage can become ... dangerous? You should! Hank explains the science of trash, how we've dealt with it (or not) over the ages, and both the...
SciShow
Are Broken Bones Stronger After They Heal?
You might have heard that bones are stronger after they break, which sounds ridiculous, but for a short period of time, it might be true!
Bozeman Science
Impulse
In this video Paul Andersen defines impulse as the product of the force applied and the time over which the force is applied. The impulse of an object is equivalent to the change in momentum of the object. Several problems related to...
TED Talks
TED: Why we need gender-neutral bathrooms | Ivan Coyote
There are a few things that we all need: fresh air, water, food, shelter, love ... and a safe place to pee. For trans people who don't fit neatly into the gender binary, public restrooms are a major source of anxiety and the place where...
SciShow
How the First Americans Got There
This week, researches published a genetic analysis of the 11,500-year-old remains of a baby found in Alaska, near where the first Americans crossed the Bering land bridge. That analysis has answered some lingering questions about human...
SciShow Kids
Why Do We Need Sleep?
Jessi stayed up too late, so she's feeling really tired. Luckily, she isn't too tired to tell you all about what happens when we sleep and why we feel so terrible when we don't get enough sleep!
SciShow
Great Pacific Garbage Patch
Hank tells us about the enormous concentrations of plastic debris floating around in the Pacific Ocean, why they're there and why they're a problem.
Bozeman Science
Practice 8 - Obtaining, Evaluating and Communicating Information
Scientists and Engineers spend over half of their working day reading, evaluating and producing text. Therefore it is important that we produce students that have a high level of scientific literacy. Students normally struggle with...
Crash Course
The Heart, part 1 - Under Pressure: Crash Course A&P
Your heart gets a lot of attention from poets, songwriters, and storytellers, but today Hank's gonna tell you how it really works. The heart's ventricles, atria, and valves create a pump that maintains both high and low pressure to...
SciShow
The Biggest Volcanic Eruption in Human History
Around 74,000 years ago, a volcano called Toba in Sumatra exploded, and some scientists think it had a serious impact on the human population and some...don't.
TED Talks
Greta Thunberg: The disarming case to act right now on climate change
In this passionate call to action, 16-year-old climate activist Greta Thunberg explains why, in August 2018, she walked out of school and organized a strike to raise awareness of global warming, protesting outside the Swedish parliament...
SciShow
Is The Mirror Test Just a Reflection of Human Nature?
The mirror test is supposed to be a way to figure out when an animal is self-aware, but there might be only one particular animal this test works well on: humans.
SciShow
9 Groundbreaking Discoveries About Sleep
There's a lot about sleep that we don't understand, like why we even sleep in the first place, for example. Here are some amazing discoveries biologists have made while trying to solve the mystery of sleep.
TED Talks
Lisa Bu: How books can open your mind
What happens when a dream you've held since childhood ... doesn't come true? As Lisa Bu adjusted to a new life in the United States, she turned to books to expand her mind and create a new path for herself. She shares her unique approach...
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.
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.
Be Smart
Life by the Numbers
How successful are we compared to other species? It turns out that biomass, or what things weigh, can be more important than how many of something there are. Find out how our numbers stack up against everything from bugs to bacteria, and...
Bozeman Science
PS2A - Forces and Motion
Paul Andersen introduces forces, motion, and Newton's three laws in this video. He begins by describing forces as pushes or pulls on objects that produce motion. A lack of motion results from a balanced set of forces. A teaching...
TED-Ed
TED-Ed: Romance and revolution: the poetry of Pablo Neruda - Ilan Stavans
Get to know Pablo Neruda, one of the most celebrated poets of the 20th century and winner of the Nobel Prize in Literature. -- A romantic and a revolutionary, Pablo Neruda was one of the most celebrated poets of the 20th century, but...
Crash Course
Battles of the Civil War Crash Course US History
Disclaimer: This is very different than the usual Crash Course US History episode. In which John Green lists a whole lot of the battles of the US Civil War in seven and a half minutes. We get a lot of requests for military history, so we...
TED-Ed
TED-ED: What happens when you have a concussion? - Clifford Robbins
Each year in the United States, players of sports and recreational activities receive between 2.5 and 4 million concussions. How dangerous are all those concussions? The answer is complicated and lies in how the brain responds when...
SciShow
What It’s Like to Have a Near-Perfect Memory?
Having a perfect memory sounds like the most amazing thing ever, but there's also a downside of having hyperthymesia.
TED-Ed
TED-ED: The rise and fall of the Byzantine Empire - Leonora Neville
Most history books will tell you that the Roman Empire fell in the fifth century CE, but this would've come as a surprise to the millions who lived in the Roman Empire through the Middle Ages. This Medieval Roman Empire, today called the...