TED-Ed
TED-Ed: Why is it so hard to escape poverty? | Ann-Helén Bay
Imagine that you've been unemployed for months. Government benefit programs have helped you cover your expenses, but you're barely getting by. Finally, you receive a paycheck— but there's a catch. Your new job pays enough to disqualify...
SciShow
How Big Can Black Holes Grow?
Black Holes are known for consuming everything that falls into them, but is there a point where these galactic devourers can't stomach anymore?
TED-Ed
TED-ED: The Egyptian myth of Isis and the seven scorpions - Alex Gendler
A woman in rags emerged from a swamp flanked by seven giant scorpions and approached a magnificent mansion to beg for food. But the mistress of the house took one look at her grimy clothes and unusual companions and slammed the door in...
TED Talks
TED: The dream of educating Afghan girls lives on | Shabana Basij-Rasikh
In this deeply moving talk, educator Shabana Basij-Rasikh shares the harrowing story of evacuating more than 250 students, staff and family members from the School of Leadership, Afghanistan (SOLA) -- the country's first and only...
Bozeman Science
Elementary Charge
In this video Paul Andersen explains how electric charge is quantized and how the smallest unit of charge is 1.6x10^-19 C, or the elementary charge. Robert Millikan discovered the elementary charge using the oil drop experiment....
SciShow
Terminal Velocity
The terminal velocity of an object is the speed at which the force of drag equals the force of gravity on that object.
SciShow
How Do You Weigh Things in Space?
Astronauts need to know their mass while in orbit, but a normal scale would be free-falling around the Earth with them. So how do they measure their mass without gravity?
SciShow
Why Do Planes Fly So High?
We've all been flying high ever since the development of the jet engine in the mid-1950s. But why were jets were designed to fly at those high altitudes in the first place?
TED-Ed
TED-Ed: Free falling in outer space - Matt J. Carlson
If you were to orbit the Earth, you'd experience the feeling of free fall, not unlike what your stomach feels before a big dive on a roller coaster. With a little help from Sir Isaac Newton, Matt J. Carlson explains the basic forces...
TED Talks
TED: This is the moment to take on the climate crisis | Al Gore
Lighting up the TED stage, Nobel laureate Al Gore takes stock of the current state of climate progress and calls attention to institutions that have failed to honor their promises by continuing to pour money into polluting sectors. He...
SciShow
Is There Gravity in Space
In a word, "yes" - space is packed with gravity. Hank explains how Isaac Newton described how gravity works, and why even though it seems that things are floating in space, they're still effected by gravity. Every object in the universe...
SciShow Kids
Why Do Floods Happen?
It's been raining for a few days where Jessi and Squeaks live, and the news even said that there may be a flood! Join Jessi to find out what a flood is, how they form, and how you can stay safe if there's a flood where you live!
MinuteEarth
This Is Not A Pine Tree
True Pines (conifer trees in the genus Pinus) are often confused with other members of the Pinaceae family like Picea (Spruces), Abies (Firs), Pseudotsuga (Douglas-firs) or Larix (Larches). So is very likely that your Christmas tree is...
Crash Course Kids
Seasons and the Sun
Ever wonder why we have seasons? A lot of people think it's because the Earth gets further away from the sun in winter, and closer in the summer. But, it's actually more interesting than that. In this episode of Crash Course Kids,...
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...
Crash Course Kids
The Great Aqua Adventure
Water travels... a lot. In fact, the water cycle is amazing and takes water all over the planet by using evaporation, condensation, and precipitation. In this episode of Crash Course Kids, Sabrina shows us how the water cycle works and...
Crash Course
If One Finger Brought Oil - Things Fall Apart part I: Crash Course Literature 208
In which John Green teaches you about Chinua Achebe's 1958 novel, Things Fall Apart. You'll learn about Igboland, a region in modern day Nigeria, prior to the arrival of the British Empire. Achebe tells the story of Okonkwo, an Igbo...
SciShow Kids
Be Prepared for Anything! Emergency Kit for Kids
Bad things can happen, but you can do a lot to be prepared for when they do! Join Jessi and Squeaks to learn what you should put in your emergency kit so you can be ready for anything!
MinuteEarth
The Real Reason Leaves Change Color in the Fall
Want to learn more about the topic in this week's video? Here are some keywords to get your googling started: Leaf senescence, chlorophyll, carotenoid, anthocyanin
Crash Course
The Death and Resurrection of Theater as...Liturgical Drama: Crash Course Theater #8
As the Roman Empire fell, so did the theater. If there's anyone who hates theater and actors more than Romans, it's early Christians. As Christianity ascended in the west, theater declined. But, fear not. This isn't the end of the...
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-Ed
A brief history of the devil | Brian A. Pavlac
Satan, the beast crunching sinners' bones. Lucifer, the fallen angel. Mephistopheles, the trickster striking deals. These three divergent devils are all based on Satan of the Old Testament. But unlike any of these literary devils, the...
SciShow Kids
Why Do Leaves Change Colors in the Fall?
Autumn means leaves are turning different shades of red, orange, and yellow and falling to the ground. But why? Jessi takes you deep inside a leaf to explain!