TED Talks
Thulasiraj Ravilla: How low-cost eye care can be world-class
India's revolutionary Aravind Eye Care System has given sight to millions. Thulasiraj Ravilla looks at the ingenious approach that drives its treatment costs down and quality up, and why its methods should trigger a re-think of all human...
TED Talks
TED: Hunting for Peru's lost civilizations -- with satellites | Sarah Parcak
Around the world, hundreds of thousands of lost ancient sites lie buried and hidden from view. Satellite archaeologist Sarah Parcak is determined to find them before looters do. With the 2016 TED Prize, Parcak is building an online...
SciShow
Boeing's Sweet New Spacesuits
Boeing has developed a snazzy new spacesuit and a couple studies give us clues about the history of Earth and the moon!
TED Talks
Heidi Grant: How to ask for help -- and get a "yes"
Asking for help is tough. But to get through life, you have to do it all the time. So how do you get comfortable asking? In this actionable talk, social psychologist Heidi Grant shares four simple rules for asking for help and getting it...
SciShow
This Little-Known Lab Is Changing the Future of Space
To live on the Moon, we’ll need to do things we’ve never done before and overcome challenges we’ve never faced. Luckily for us, NASA is developing some brand-new technology at Swamp Works.
TED Talks
Bjorn Lomborg: Global priorities bigger than climate change
Given $50 billion to spend, which would you solve first, AIDS or global warming? Danish political scientist Bjorn Lomborg comes up with surprising answers.
SciShow
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TED-Ed
TED-Ed: If you're scared of snakes, watch this | Andrew Whitworth
As of 2021, there are 368 species of viper worldwide. The name comes from the term viviparity, which means giving birth to live young. Vipers are often highly venomous, with two hollow, extra long fangs that unfold into imposing weapons...
SciShow
3 Extreme Climate Fixes
Hank talks about a few - maybe crazy, maybe reasonable - geoengineering schemes that some scientists have come up with in order to "fix" climate change, including designer clouds, ocean fertilization, and stratospheric shading with...
TED Talks
TED: The mission to create a searchable database of Earth's surface | Will Marshall
What if you could search the surface of the Earth the same way you search the internet? Will Marshall and his team at Planet use the world's largest fleet of satellites to image the entire Earth every day. Now they're moving on to a new...
TED Talks
Kakenya Ntaiya: Empower a girl, transform a community
Kakenya Ntaiya turned her dream of getting an education into a movement to empower vulnerable girls and bring an end to harmful traditional practices in Kenya. Meet two students at the Kakenya Center for Excellence, a school where girls...
SciShow
Is Everyone A Little Bit Racist? - Implicit Bias
Many companies have offered diversity trainings to teach their employees about implicit biases. But what does that mean, and is it really helping anything?
TED Talks
Richard Turere: My invention that made peace with lions
In the Maasai community where Richard Turere lives with his family, cattle are all-important. But lion attacks were growing more frequent. In this short, inspiring talk, the young inventor shares the solar-powered solution he designed to...
TED Talks
TED: This gel can make you stop bleeding instantly | Joe Landolina
Forget stitches -- there's a better way to close wounds. In this talk, TED Fellow Joe Landolina talks about his invention -- a medical gel that can instantly stop traumatic bleeding without the need to apply pressure. (Contains medical...
TED Talks
TED: How small countries can make a big impact on climate change | Nicola Sturgeon
When it comes to tackling climate change, the size of a country doesn't matter -- it's their ambition that counts, says First Minister of Scotland Nicola Sturgeon. In a rousing talk, she shares examples of small nations -- from Bhutan...
SciShow
Sea Turtles Really DO Carry a (Microscopic) World on Their Backs
Several cultures portray the world as being carried on the back of a giant turtle. As it turns out, sea turtles really do house an entire world on their backs — one of microscopic organisms, that is!
TED Talks
TED: A new way to restore Earth's biodiversity -- from the air | Susan Graham
Land restoration is about more than planting trees, says environmentalist Susan Graham. Check out how her team combines drone technology with ecology-trained AI to restore degraded land and revive complex, biodiverse ecosystems --...
TED-Ed
TED-Ed: The psychology of post-traumatic stress disorder - Joelle Maletis
Many of us will experience some kind of trauma during our lifetime. Sometimes, we escape with no long-term effects. But for millions of people, those experiences linger, causing symptoms like flashbacks, nightmares, and negative thoughts...
MinuteEarth
How Birds Fooled Military Radar
A technology to ignore birds on radar ended up being useful to study and conserve them.
SciShow
Human Parasites
Hank tells us about all of the things that live on us or in us - the good, the bad, and the very, very ugly.
SciShow Kids
Why Do We Have Saliva?
Mmmm! The smell of a batch of cookies straight out of the oven is enough to make your mouth water! But have you ever wondered why your mouth waters?! Jessi and Squeaks are here to tell you all about saliva and the many ways it helps you...
Bozeman Science
LS2D - Social Interactions and Group Behavior
In this video Paul Andersen explains the importance of social interactions and group behavior. Organisms live in groups because it overs them greater success and has been selected for through natural selection. Some groups are stable and...
TED Talks
TED: The business benefits of doing good | Wendy Woods
The only way we're going to make substantial progress on the challenging problems of our time is for business to drive the solutions, says social impact strategist Wendy Woods. In a data-packed talk, Woods shares a fresh way to assess...