Crash Course
Big Data Problems - Crash Course Statistics
There is a lot of excitement around the field of Big Data, but today we want to take a moment to look at some of the problems it creates. From questions of bias and transparency to privacy and security concerns, there is still a lot to...
TED-Ed
TED-ED: Who were the Vestal Virgins, and what was their job? - Peta Greenfield
In ancient Rome, Vestal Virgins were tasked with keeping vigil over the flame of Vesta, the virgin goddess of the hearth. The flame represented two things: the continuation of Rome as a power in the world and the continuing virginity of...
TED Talks
Lucien Engelen: Crowdsource your health
You can use your smartphone to find a local ATM, but what if you need a defibrillator? Lucien Engelen shows us online innovations that are changing the way we save lives, including a crowdsourced map of local AEDs.
SciShow Kids
Where Does Fog Come From? Weather for Kids
Fog might make things seem mysterious and spooky, but it's actually a cool natural phenomenon that happens when cold air affects the water in the air!
SciShow
Could Solar Panels in Space Solve all Our Energy Needs?
We need more solutions for our energy needs, and one idea is straight out of science fiction: Solar panels, in space.
SciShow
The Mystery of the Barreleye Fish
In the Pacific Ocean, there lives a fish that's . . . a little different. Hank tells you all about the Pacific barreleye fish!
TED Talks
TED: The pharmacy of the future? Personalized pills, 3D printed at home | Daniel Kraft
We need to change how we prescribe drugs, says physician Daniel Kraft: too often, medications are dosed incorrectly, cause toxic side effects or just don't work. In a talk and concept demo, Kraft shares his vision for a future of...
SciShow
Firehawks: Nature's Arsonists
We all know that birds are incredibly smart, but some birds in Australia take things to the next level — they can intentionally start fires!
Bozeman Science
Chi-squared Test
Paul Andersen shows you how to calculate the ch-squared value to test your null hypothesis. He explains the importance of the critical value and defines the degrees of freedom. He also leaves you with a problem related to the animal...
SciShow
It's Time to Visit an Asteroid!
OSIRIS-REx is launching soon and it will become the first American spacecraft to return samples from an asteroid!
TED Talks
Mundano: Trash cart superheroes
In Brazil, "catadores" collect junk and recyclables. But while they provide a vital service that benefits all, they are nearly invisible as they roam the streets. Enter graffiti artist Mundano, a TED Fellow. In a spirited talk, he...
TED Talks
Sam Martin: Claim your "manspace"
Author Sam Martin shares photos of a quirky world hobby that's trending with the XY set: "manspaces." (They're custom-built hangouts where a man can claim a bit of his own territory to work, relax, be himself.) Grab a cold one and enjoy.
TED-Ed
TED-Ed: The last living members of an extinct species | Jan Stejskal
In the savannahs of Kenya, two female northern white rhinos, Nájin and Fatu, munch contentedly on grass. They are the last two known northern white rhinos left on Earth. Their species is functionally extinct— without a male, they can't...
SciShow
Stardust Discovery, and 2 Planetary Conjunctions
SciShow Space shares the latest developments from around the universe, including news about the first material ever collected from outside the solar system, and a backyard astronomers’ guide to two upcoming planetary conjunctions.
Bozeman Science
Standard Deviation
In this video Paul Andersen explains the importance of standard deviation. He starts with a discussion of normal distribution and how the standard deviation measures the average distance from the mean, or the "spread" of data. He then...
Crash Course
Intro to Big Data - Crash Course Statistics
Today, we're going to begin our discussion of Big Data. Everything from which videos we click (and how long we watch them) on YouTube to our likes on Facebook say a lot about us - and increasingly more and more sophisticated algorithms...
SciShow Kids
Build a Beehouse! Science Project for Kids
Jessi and Squeaks are busy working in their garden, and they'd like to share one trick that keeps their plants happy!
Bozeman Science
Standard Error
Paul Andersen shows you how to calculate the standard error of a data set. He starts by explaining the purpose of standard error in representing the precision of the data. The standard error is based on the standard deviation and the...
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...
TED Talks
TED: Why we're storing billions of seeds | Jonathan Drori
In this brief talk from TED U 2009, Jonathan Drori encourages us to save biodiversity -- one seed at a time. Reminding us that plants support human life, he shares the vision of the Millennium Seed Bank, which has stored over 3 billion...
SciShow Kids
What’s Inside a Bean?
Have you ever wondered how a tiny little seed grows into a plant? Well, there's a special kind of seed, one you've probably eaten before, that's big enough for you to open up and see how it works: a bean!
TED Talks
Nathan Wolfe: The jungle search for viruses
Virus hunter Nathan Wolfe is outwitting the next pandemic by staying two steps ahead: discovering deadly new viruses where they first emerge -- passing from animals to humans among poor subsistence hunters in Africa -- before they claim...
Curated Video
Bee Facts: Inside the Beehive
Learn all about the fascinating world of bees in this fun and informative video! Discover how bees live together in a beehive, the roles of the queen bee, worker bees, and drone bees, and how they work together to make honey from nectar.
Curated Video
Landmarks - Easter Island
EASTER ISLAND EASTER ISLAND OR RAPA NUI AS IT IS KNOWN TODAY IS ONE OF THE WORLD'S MOST REMOTE INHABITED ISLANDS. IT IS FAMOUS THROUGHOUT THE WORLD FOR ITS LARGE STONE STATUES, THE MOAI. BUT WHILE THEIR STONY GAZE NEVER SHIFTS, LIFE FOR...