Crash Course
Exploring the Universe Crash Course Big History 2
In which John Green, Hank Green, and Emily Graslie teach you about what happened in the Universe after the big bang. They'll teach you about cosmic background radiation, how a bunch of hydrogen and helium turned into stars, formed...
SciShow
Volcanoes: Mother of Disasters
Volcanoes can show nature's rage. What are the biggest eruptions we've witnessed in our history?
Crash Course
Archetypes and Male Divinities: Crash Course World Mythology
This week on Crash Course Mythology, Mike is teaching you about the archetypes that are often associated with male divinities. We're going to talk about Fathers & Sons, Kings & Judges, Saviors & Sages, Shamans, Tricksters, and Lords of...
SciShow
SPNs Might Change the World, So What Are They?
Researchers created a "super jelly" that can survive being run over with a car, and its weird properties take advantage of some novel chemistry.
TED-Ed
TED-Ed: Which animal has the best eyesight? | Thomas W. Cronin
The animal kingdom boasts an incredible diversity of eyes. Some rotate independently while others have squiggly-shaped pupils. Some have protective lids, others squirt blood. But which creature has the best sight? Which sees best in the...
TED-Ed
TED-Ed: The Earth's age in measurements you can understand - Joshua M. Sneideman
The Earth is 4.6 billion years old -- but how can humans relate to a number so colossal, and where do we fit on the geologic timeline? Comparing the Earth's lifetime to one calendar year, events like the extinction of dinosaurs and...
SciShow
Why Do Men Have Nipples?
If men can't nurse, then why do they have nipples? The answer has less to do with evolution and more to do with your personal development as a teeny tiny embryo. Short version: We're all girls -- at least at first. Hank explains!
TED-Ed
These salamanders snack on each other (but don't die) | Luis Zambrano
Axolotls are one of science's most studied animals. Why, you ask? These extraordinary salamanders are masters of regeneration: they can flawlessly regenerate body parts ranging from amputated limbs and crushed spines to parts of their...
SciShow
Weird Places Mexico's Giant Crystal Cave
SciShow explores a place that’s as beautiful as it is dangerous: Mexico’s Giant Crystal Cave, where chemistry has created the world’s largest crystals -- but in an environment so hostile that you’d only survive a few minutes if you saw...
MinutePhysics
How Entropy Powers The Earth (Big Picture Ep. 4/5)
This video is about how we don't just need energy to power our lives, we need *low entropy* energy! Thanks to Google Making and Science for supporting this series, and to Sean Carroll for collaborating on it! This video is about how we...
TED Talks
Jennifer Zhu Scott: Why you should get paid for your data
The world's most valuable tech companies profit from the personal data you generate. So why aren't you getting paid for it? In this eye-opening talk, entrepreneur and technologist Jennifer Zhu Scott makes the case for private data...
SciShow
Weird Places Mauritania's Eye of the Sahara
Explore the origins of one of the coolest geologic formations in the world, West Africa's Richat Structure.
TED Talks
TED: Thorium, an alternative nuclear fuel | Kirk Sorensen
Kirk Sorensen shows us the liquid fuel thorium reactor -- a way to produce energy that is safer, cleaner and more efficient than current nuclear power.
TED Talks
TED: The tragedy of orphanages | Georgette Mulheir
Orphanages are costly and can cause irreparable damage both mentally and physically for its charges -- so why are they still so ubiquitous? Georgette Mulheir gravely describes the tragedy of orphanages and urges us to end our reliance on...
TED-Ed
TED-Ed: What is Alzheimer's disease? - Ivan Seah Yu Jun
Alzheimer's disease is the most common cause of dementia, affecting over 40 million people worldwide. And though it was discovered over a century ago, scientists are still grappling for a cure. Ivan Seah Yu Jun describes how Alzheimer's...
SciShow
10-Year Cancer Remission Thanks to T Cell Therapy | SciShow News
Some researchers trained the immune systems of leukemia patients to help keep them in remission. And other researchers found that it's possible to help African clawed frogs regrow lost limbs, an ability they normally lose once they hit...
SciShow
Weird Places: Mauritania's Eye of the Sahara
Explore the origins of one of the coolest geologic formations in the world, West Africa's Richat Structure.
TED Talks
Bjarke Ingels: Floating cities, the LEGO House and other architectural forms of the future
Design gives form to the future, says architect Bjarke Ingels. In this worldwide tour of his team's projects, journey to a waste-to-energy power plant (that doubles as an alpine ski slope) and the LEGO Home of the Brick in Denmark -- and...
SciShow
8 Beautiful, Weird, and Scary Things Ice Can Do
Frozen water molecules don’t seem to be all that interesting. But, these eight weird things that ice can do are truly mind-boggling. Chapters View all ICE SPIKES 0:40 FROST QUAKES 2:36 FROST FLOWERS: LAND 3:26 FROST FLOWERS: SEA ICE 4:22...
TED-Ed
TED-ED: The legend of Annapurna, Hindu goddess of nourishment - Antara Raychaudhuri and Iseult Gillespie
Historically, the union between Shiva and Parvati was a glorious one: a sacred combination which brought fertility and connection to all living things. Yet a rift had grown between these two forces. Setting out to prove the importance of...
TED-Ed
TED-Ed: Why is biodiversity so important? - Kim Preshoff
Our planet's diverse, thriving ecosystems may seem like permanent fixtures, but they're actually vulnerable to collapse. Jungles can become deserts, and reefs can become lifeless rocks. What makes one ecosystem strong and another weak in...
TED Talks
The shadow pandemic of domestic violence during COVID-19 | Kemi DaSilva-Ibru
Mandatory lockdowns, quarantines and shelter-in-place orders meant to contain COVID-19 have created a shadow pandemic of domestic abuse, says physician Kemi DaSilva-Ibru. Sharing alarming statistics on the rise of gender-based violence...
TED-Ed
TED-Ed: The big-beaked, rock-munching fish that protect coral reefs | Mike Gil
As the sun rises over a quiet coral reef, one animal breaks the morning silence. Named for its vibrant scales and beak-like teeth, the parrotfish devours a particularly crunchy breakfast: rocks. Why would any creature take bites out of...
TED-Ed
TED-Ed: Fabio Pacucci: Can a black hole be destroyed?
Black holes are among the most destructive objects in the universe. Anything that gets too close to a black hole, be it an asteroid, planet, or star, risks being torn apart by its extreme gravitational field. By some accounts, the...