TED Talks
TED: A vision for sustainable energy in Africa | Chibeze Ezekiel
Africa needs new energy sources to fuel its development, but the continent should invest in renewable energy instead of cheap, polluting alternatives like coal, says climate inclusion activist Chibeze Ezekiel. He tells the story of how...
SciShow
A Brief History of Life: When Life Exploded
Right at the beginning of the Paleozoic, there was a huge explosion of more complex life. And that’s when things started to get really interesting. This is our second installment on the history of life, but you can watch in any order you...
TED Talks
The counterintuitive way to be more persuasive | Niro Sivanathan
What's the best way to make a good point? Organizational psychologist Niro Sivanathan offers a fascinating lesson on the "dilution effect," a cognitive quirk that weakens our strongest cases -- and reveals why brevity is the true soul of...
TED Talks
TED: How quinoa can help combat hunger and malnutrition | Cedric Habiyaremye
On a mission to create a hunger-free world, agricultural entrepreneur Cedric Habiyaremye makes the case for cultivating quinoa -- and other versatile, nutrient-rich grains -- in places experiencing malnutrition, like his native Rwanda....
SciShow
Hardcore Metal Stars
SciShow Space describes a new phenomenon that might be out there: Stars made entirely out of metal. But it's not quite what it sounds like!
TED Talks
TED: The inaccurate link between body ideals and health | Nancy N. Chen
Global obesity rates are on the rise, but body shaming campaigns are doing more harm than good, says medical anthropologist Nancy N. Chen. Reflecting on how the cultural histories of body ideals have changed over time, she offers a new...
TED-Ed
The "myth" of the boiling frog | TED-Ed
Since 1850, global average temperatures have risen by 1 degree Celsius. That may not sound like a lot, but it is. Why? 1 degree is an average. Many places have already gotten much warmer and if average temperatures increase one more...
SciShow
How Close Are We to Growing Brains in a Dish?
You may have heard about a study where researchers were able to grow lumps of neural tissue that showed measurable activity – a little bit like an actual brain. Are scientists trying to grow artificial brains, and if so, what kind of...
SciShow
Are You Really Addicted to Your Phone?
Are millennials addicted to their phones? Is that even a thing that can happen?!
TED Talks
TED: economic growth has stalled. Let's fix it | Dambisa Moyo
economic growth is the defining challenge of our time; without it, political and social instability rises, human progress stagnates and societies grow dimmer. But, says economist Dambisa Moyo, dogmatic capitalism isn't creating the...
TED Talks
TED: How to win an argument (at the US Supreme Court, or anywhere) | Neal Katyal
The secret to winning an argument isn't grand rhetoric or elegant style, says US Supreme Court litigator Neal Katyal -- it takes more than that. With stories of some of the most impactful cases he's argued before the Court, Katyal shows...
SciShow
SciShow Psych Talk Show: Kati Morton
Welcome to the very first episode of SciShow Psych Talk Show! Hank talks with Kati Morton about mental health: from how you find a therapist to toxic relationships.
TED Talks
TED: How I learned to read -- and trade stocks -- in prison | Curtis "Wall Street" Carroll
* Viewer discretion advised. This video includes discussion of mature topics and may be inappropriate for some audiences. Financial literacy isn't a skill -- it's a lifestyle. Take it from Curtis "Wall Street" Carroll. As an incarcerated...
Crash Course
Why Star Stuff Matters: Crash Course Big History 202
So, the stars made the elements, we're all made of star stuff, etc. But what does all this mean? This week Emily Graslie teaches you how the formation of chemical elements in the bellies of the earliest stars made life as we know it...
SciShow
How to Get Things Done by NOT Doing Them | Compilation
We’ve all pulled an all-nighter studying for an exam or skipped lunch to meet a deadline, but you may be productive in all of life if you give yourself time to take breaks. And take a breath. Chapters staff burn-out 1:41 Maslach Burnout...
Crash Course
Ma'ui, Oceania's Hero: Crash Course World Mythology
In which Mike Rugnetta teaches you about Ma'ui, prominent hero of many cultures in Oceania, aka the Pacific Island nations. Ma'ui is just the kind of hero we're interested in here at Crash Course. He's a culture hero, he's a an...
TED Talks
TED: The shift we need to stop mass surveillance | Albert Fox Cahn
Mass surveillance is worse than you think, but the solutions are simpler than you realize, says lawyer, technologist and TED Fellow Albert Fox Cahn. Breaking down the crude tactics law enforcement uses to sweep up massive amounts of data...
SciShow
The Human Neocortex Isn’t as Special as We Thought
For a long time, scientists considered the neocortex the brainiest part of the human brain – an obvious candidate for the thing that makes us unique. But in some ways, it’s not that different from other mammals’ brains. So researchers...
TED Talks
Denis Dutton: A Darwinian theory of beauty
TED collaborates with animator Andrew Park to illustrate Denis Dutton's provocative theory on beauty -- that art, music and other beautiful things, far from being simply "in the eye of the beholder," are a core part of human nature with...
SciShow
This is NOT What Evolution Looks Like
Hank explains where that over-simplified image of evolution comes from and what it is actually supposed to mean.
SciShow
The Sexiest Compilation Ever | Compilation
Sex can be a taboo conversation, but over the years we found out that our viewers had a lot of questions about it. So we’ve put some of the answers to those questions into one video!
SciShow
No You Dont Have a Reptilian Brain
You don't actually have a "reptilian brain" somewhere deep in your head making you act like a salty crocodile, so where did that idea even come from?
TED-Ed
TED-Ed: The fish that walk on land | Noah R. Bressman
We think of fish as completely aquatic animals. But there are actually hundreds of fish species that are amphibious, meaning that they possess adaptations that enable them to survive on land. Once on land, however, they face suffocation,...
PBS
Arrow's Impossibility Theorem
The bizarre Arrow's Impossibility Theorem, or Arrow's Paradox, shows a counterintuitive relationship between fair voting procedures and dictatorships.