SciShow
Gina McCarthy on Public Health & Climate Change | SciShow Talk Show
Humans are great at creating, and solving, problems. Hank talks with Gina McCarthy about the biggest public health problem we face today: climate change. Gina McCarthy is the Director of C-CHANGE (Center for Climate, Health and the...
TED Talks
TED: A 3-part plan to take on extreme heat waves | Eleni Myrivili
The deadliest severe weather phenomenon is something you might not realize: extreme heat. Eleni Myrivili, chief heat officer of the city of Athens, Greece, explains that extreme heat and heat waves are often overlooked because they're...
Crash Course
Life Begins Crash Course Big History 4
In which Hank and John Green teach you about life on Earth. They won't be giving advice on how life should be lived, because this is a history series. Instead, they'll teach you about the earliest forms of life on Earth, and some of the...
TED Talks
TED: Making sense of string theory | Brian Greene
Physicist Brian Greene explains superstring theory, the idea that minscule strands of energy vibrating in 11 dimensions create every particle and force in the universe.
TED Talks
Markus Mutz: How supply chain transparency can help the planet
Given the option, few would choose to buy products that harm the earth -- yet it's nearly impossible to know how most consumer goods are made or where they're sourced from. That's about to change, says supply chain innovator Markus Mutz....
MinuteEarth
Where Do Our Drugs Come From?
The incredible chemical weapon-making abilities of fungi, bacteria, and plants have created a diverse array of compounds that are useful to humans.
TED Talks
TED: The billion-dollar campaign to electrify transport | Monica Araya
The roadmap to ending pollution from transportation is here, says electrification advocate Monica Araya. In conversation with head of TED Chris Anderson, Araya introduces Drive Electric: a global campaign to retire the polluting internal...
TED Talks
Melissa Garren: The sea we've hardly seen
An average teaspoon of ocean water contains five million bacteria and fifty million viruses -- and yet we are just starting to discover how these "invisible engineers" control our ocean's chemistry. At TEDxMonterey, Melissa Garren sheds...
TED Talks
LaToya Ruby Frazier: A visual history of inequality in industrial America
For the last 12 years, LaToya Ruby Frazier has photographed friends, neighbors and family in Braddock, Pennsylvania. But though the steel town has lately been hailed as a posterchild of "rustbelt revitalization," Frazier's pictures tell...
SciShow
What Your Family History Can’t Tell You
The first time you visit a new doctor, they’ll probably ask you about your family history - but it turns out that family history doesn’t tell you everything about the risks that can be hidden in your genes.
TED Talks
TED: A provocative way to finance the fight against climate change | Michael Metcalfe
Will we do whatever it takes to fight climate change? Back in 2008, following the global financial crisis, governments across the world adopted a "whatever it takes" commitment to monetary recovery, issuing $250 billion worth of...
TED Talks
TED: To fight climate change, listen to young people | Nkosilathi Nyathi
The climate crisis has been largely caused by irresponsible adults in developed countries, but it's the children of developing nations -- like Zimbabwean environmental activist Nkosilathi Nyathi -- that suffer from the most disastrous...
TED Talks
Greening the ghetto - Majora Carter
* Viewer discretion advised. This video includes discussion of mature topics and may be inappropriate for some audiences. In an emotionally charged talk, MacArthur-winning activist Majora Carter details her fight for environmental...
SciShow
Why Does Nature Make You Feel Better?
It’s not a huge surprise that nature is beneficial to our mental health. But why?
TED Talks
TED: Why Libya's revolution didn't work -- and what might | Zahra' Langhi
In Libya, Zahra' Langhi was part of the "days of rage" movement that helped topple the dictator Gaddafi. But -- then what? In their first elections, Libyans tried an innovative slate of candidates, the "zipper ballot," that ensured equal...
TED-Ed
TED-ED: Feedback loops: How nature gets its rhythms - Anje-Margriet Neutel
While feedback loops are a bummer at band practice, they are essential in nature. What does nature's feedback look like, and how does it build the resilience of our world? Anje-Margriet Neutel describes some common positive and negative...
TED Talks
Clay Shirky: How social media can make history
While news from Iran streams to the world, Clay Shirky shows how Facebook, Twitter and TXTs help citizens in repressive regimes to report on real news, bypassing censors (however briefly). The end of top-down control of news is changing...
TED Talks
TED: Climate change is our reality. Here's how we're taking action | Al Gore, Gloria Kasang Bulus, Nana Firman, Ximena Loría and Tim Guinee
With the Climate Reality Project, Al Gore is helping mold future leaders to build the movement for climate survival and social justice from the ground up. He introduces us to four of the Project's graduates, each of whom confronts...
TED Talks
TED: To save the climate, we have to reimagine capitalism | Rebecca Henderson
Business is screwed if we don't fix climate change, says economist Rebecca Henderson. In this bold talk, she describes how unchecked capitalism destabilizes the environment and harms human health -- and makes the case for companies to...
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
5 of the Most Important Inventions in Robotics
A lot of robots are developed to physically replicate our actions and behavior, like a bipedal, balanced walk, a large range of motion, and the ability to perceive and interact with the environment. But, maybe not to your surprise,...
TED Talks
Mitchell Joachim: Don't build your home, grow it!
TED Fellow and urban designer Mitchell Joachim presents his vision for sustainable, organic architecture: eco-friendly abodes grown from plants and -- wait for it -- meat.
TED Talks
TED: Climate action needs new frontline leadership | Ozawa Bineshi Albert
We can't rely on those who created climate change to fix it, says climate justice organizer Ozawa Bineshi Albert. An Indigenous woman living in the heart of oil and gas country in the US, she's observed an alarming disconnect between...
Bozeman Science
Object Interactions
In this video Paul Andersen explains how object interactions can add or remove mass or energy from a system.