SciShow
The Pioneer Probes Are Way Off-Course
The Pioneer 10 and 11 probes were launched to explore outer space, but in the 80s scientists discovered they were veering off-course, and we had no idea why!
TED Talks
TED: How racism harms pregnant women -- and what can help | Miriam Zoila Perez
Racism is making people sick -- especially black women and babies, says Miriam Zoila Perez. The doula turned journalist explores the relationship between race, class and illness and tells us about a radically compassionate prenatal care...
PBS
The Black Hole Entropy Enigma
Black Holes should have no entropy, but they in fact hold most of the entropy in the universe. Let's figure this out.
TED Talks
TED: Bio-lab on a microchip | Frederick Balagadde
Drugs alone can't stop disease in sub-Saharan Africa: We need diagnostic tools to match. TED Senior Fellow Frederick Balagadde shows how we can multiply the power and availability of an unwieldy, expensive diagnostic lab -- by...
SciShow
Reptiles' Breathing Hack Helped Birds Dominate the Air
When we breathe out, we empty our lungs. But an ancient reptile figured out a more efficient way to breathe, which ultimately helped birds dominate the skies.
MinuteEarth
How Physics Saved Two Million Premature Babies
Doctors beat back a disease that was killing tens of thousands of babies a year with a machine based on a simple principle of physics. FYI: We try to leave jargon out of our videos, but if you want to learn more about this topic, here...
SciShow
The Plants That Live on Artificial Light (and Why That’s Bad)
Plants are finding their ways into caves, and it's all our fault.
TED Talks
TED: How computers are learning to be creative | Blaise Aguera y Arcas
We're on the edge of a new frontier in art and creativity -- and it's not human. Blaise Aguera y Arcas, principal scientist at Google, works with deep neural networks for machine perception and distributed learning. In this captivating...
SciShow
Richard Feynman, The Great Explainer: Great Minds
Like SciShow? Help support us, and also get things to put on your walls, cover your torso, or hold your liquids! Chapters View all GREAT EXPLAINERS 0:26 QUANTUM MECHANICS 2:54 THEORETICAL PHYSICS 3:04 PRANKING OTHER PHYSICISTS 3:55...
3Blue1Brown
Snell's law proof using springs: Brachistochrone - Part 2 of 2
A clever mechanical proof of Snell's law.
PBS
Instant Insanity Puzzle
Imagine you have four cubes, whose faces are colored red, blue, yellow, and green. Can you stack these cubes so that each color appears exactly once on each of the four sides of the stack?
TED Talks
Pavan Sukhdev: Put a value on nature!
Every day, we use materials from the earth without thinking, for free. But what if we had to pay for their true value: would it make us more careful about what we use and what we waste? Think of Pavan Sukhdev as nature's banker --...
TED Talks
TED: America's forgotten working class | J.D. Vance
J.D. Vance grew up in a small, poor city in the Rust Belt of southern Ohio, where he had a front-row seat to many of the social ills plaguing America: a heroin epidemic, failing schools, families torn apart by divorce and sometimes...
Be Smart
How Ingenious Animals Have Engineered Air Conditioning
Are humans nature's greatest architects? When we look elsewhere in nature, we find some pretty amazing animal architects. Species like ants, termites, prairie dogs, birds, and more have engineered some incredible structures. This week we...
MinutePhysics
Solution to the Grandfather Paradox
If you could travel back in time, and you killed your grandfather, would you be killing your future self? What do physics, complexity theory, and computer science have to say about this famous murderous time-travel paradox?
SciShow
Why Smoking Makes It Harder to Heal
If a doctor has told you to quit smoking, that's not just because they're worried about lung cancer. Those cigarettes are messing up your body's natural healing process in more ways than one.
TED Talks
TED: Mental health care that disrupts cycles of violence | Celina de Sola
In Latin American countries like El Salvador, homicide rates are alarmingly high thanks in large part to a vicious cycle of violence -- people don't have a chance to heal from recurrent individual and collective trauma. With her team at...
TED Talks
Possible futures from the intersection of nature, tech and society | Natsai Audrey Chieza
Biodesigner Natsai Audrey Chieza prototypes the future, imagining a world where people and nature can thrive together. In this wildly imaginative talk, she shares the vision behind her innovation lab, which works at the intersection of...
TED Talks
Tim Flannery: Can seaweed help curb global warming?
It's time for planetary-scale interventions to combat climate change -- and environmentalist Tim Flannery thinks seaweed can help. In a bold talk, he shares the epic carbon-capturing potential of seaweed, explaining how oceangoing...
SciShow
Juvenoia: The Psychology Behind Millennial Bashing
If you hate avocado-toast-loving, technology-addicted millennials, you might hate them for the wrong reasons.
TED Talks
TED: A teen just trying to figure it out | Tavi Gevinson
Fifteen-year-old Tavi Gevinson had a hard time finding strong female, teenage role models -- so she built a space where they could find each other. At TEDxTeen, she illustrates how the conversations on sites like Rookie, her wildly...
PBS
Can You Solve the Poison Wine Challenge?
You're about to throw a party with a thousand bottles of wine, but you just discovered that one bottle is poisoned! Can you determine exactly which one it is?
TED Talks
TED: Why curiosity is the key to science and medicine | Kevin B. Jones
Science is a learning process that involves experimentation, failure and revision -- and the science of medicine is no exception. Cancer researcher Kevin B. Jones faces the deep unknowns about surgery and medical care with a simple...
SciShow
The Scientist Who Made the Internet Possible | Great Minds: Narinder Singh Kapany
Thanks to Qualcomm for sponsoring a portion of this video.