TED Talks
TED: A Magna Carta for the web | Tim Berners-Lee
Sir Tim Berners-Lee invented the World Wide Web 25 years ago. So it’s worth a listen when he warns us: There’s a battle ahead. Eroding net neutrality, filter bubbles and centralizing corporate control all threaten the web’s wide-open...
SciShow
Foxes Might Use Magnetic Fields to Hunt
How do foxes know where to pounce when they can't see their prey? There's evidence they're using the Earth's magnetic field to help.
TED Talks
Marc Koska: 1.3m reasons to re-invent the syringe
Reuse of syringes, all too common in under-funded clinics, kills 1.3 million each year. Marc Koska clues us in to this devastating global problem with facts, photos and hidden-camera footage. He shares his solution: a low-cost syringe...
TED Talks
Hasan Elahi: FBI, here I am!
After he ended up on a watch list by accident, Hasan Elahi was advised by his local FBI agents to let them know when he was traveling. He did that and more ... much more.
SciShow
Oxygen is Killing You
Hank introduces us to oxygen - the element that makes it possible for most animals to live, but which is simultaneously responsible for a lot of bad things going on in our bodies.
TED-Ed
TED-Ed: Why does ice float in water? - George Zaidan and Charles Morton
Water is a special substance for several reasons, and you may have noticed an important one right in your cold drink: ice. Solid ice floats in liquid water, which isn't true for most substances. But why? George Zaidan and Charles Morton...
SciShow
How the White House Killed Two Presidents
Working in the White House in the 1840s may have been more hazardous than we thought.
SciShow
Why are Dead Bugs Always on Their Backs
You've probably noticed that dead or dying bugs end up on their backsides, and that's not just your imagination! It turns out there are some physics at play here.
SciShow
Meet the Milky Way's Last Big Meal: The Sausage Galaxy
Our Milky Way Galaxy once dined on the Sausage Galaxy, and Jupiter's auroras seem to be heavily influenced by one of its moons. It's a galaxy-eat-galaxy kind of universe out there!
SciShow
The Bizarre Link Between Blindness and Schizophrenia
You might have heard that supposedly, no one who was born blind has ever been diagnosed with schizophrenia. But if that’s true, how those two conditions so closely related to each other?
TED Talks
TED: Why gun violence can't be our new normal | Dan Gross
It doesn't matter whether you love or hate guns; it's obvious that the uS would be a safer place if there weren't thousands of them sold every day without background checks. Dan Gross, president of the Brady Campaign to Prevent Gun...
SciShow
What Does "Organic" Mean, and Should You Buy Organic Foods?
There’s a lot of confusion over what organic means, and food with that label might not be as healthy or environmentally friendly as you think.
SciShow
Can I Die From Too Much Water? Blood? Oxygen?
We all know that we need things like water and oxygen to live, but what happens when you get too much of a good thing?
MinuteEarth
Why Exercise Is Hard
Because exercise isn't essential for short-term survival, we don't exercise enough, so we need to reincorporate purposeful physical activity into our lives.
SciShow
7 Medicines That Come from Super Toxic Critters
Scorpion venom and insect poison sound really deadly, but scientists are increasingly turning them into medical treatments that save millions of lives. Chapters CAPTOPRIL 1:18 SOUTH AMERICAN PIT VIPER Credit: Renato Augusto Martins 1:33...
SciShow
8 Incredible Things We Can Learn From Octopuses
Octopuses have tons of strange and amazing adaptations that help them live their best lives underwater. And those incredible traits could help us in many ways. Chapters View all 1 SUPER-STRONG SUCTION 1:29 2 HOW TO BUILD ADAPTABLE ROBOTS...
TED-Ed
How do antidepressants work? | Neil R. Jeyasingam
In the 1950s, the discovery of two new drugs sparked what would become a multi-billion dollar market for antidepressants. Neither drug was intended to treat depression at all— many doctors and scientists believed psychotherapy was the...
SciShow
The Black Hole at the Center of Our Galaxy: Don't Panic!
SciShow Space explores the supermassive black hole spinning at the center of our galaxy, and how we've all learned to live with it in harmony.
SciShow
Here's What DNA Really Looks Like
There’s more to DNA than just the double helix we know and love: under some conditions this familiar molecule can take on unfamiliar forms, each of which can have a different impact on our health.
TED Talks
Phil Borges: Photos of endangered cultures
Photographer Phil Borges shows rarely seen images of people from the mountains of Dharamsala, India, and the jungles of the Ecuadorean Amazon. In documenting these endangered cultures, he intends to help preserve them.
SciShow
Does a Strong Immune System Make Colds Worse?
Not everyone who is infected by a cold virus actually shows symptoms. In fact, people who seem to experience symptoms like a sore throat and stuffy nose more often may actually have more robust immune systems!
3Blue1Brown
But WHY is a sphere's surface area four times its shadow?
Two proofs for the surface area of a sphere
TED Talks
TED: How the military fights climate change | David Titley
Military leaders have known for millennia that the time to prepare for a challenge is before it hits you, says scientist and retired US Navy officer David Titley. He takes us from the humanitarian catastrophe in Syria to the icy shores...
PBS
The Great American Eclipse
Get your eclipse glasses ready because the a total solar eclipse is an astronomical event unlike any other.