TED Talks
TED: Sustainable seafood? Let's get smart | Barton Seaver
Chef Barton Seaver presents a modern dilemma: Seafood is one of our healthier protein options, but overfishing is desperately harming our oceans. He suggests a simple way to keep fish on the dinner table that includes every mom's...
TED Talks
George Whitesides: A lab the size of a postage stamp
Traditional lab tests for disease diagnosis can be too expensive and cumbersome for the regions most in need. George Whitesides' ingenious answer is a foolproof tool that can be manufactured at virtually zero cost.
MinuteEarth
*If We Aren't Too Late
We’ll each have at least $100,000 more in our piggy banks, on average, if we stop climate change than if we don’t.
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.
MinuteEarth
Why Do We STILL Use Lead Pipes?!
We've known for millennia that lead pipes could make us sick, so why are we still drinking from them?
TED-Ed
TED-Ed: What does the world's largest machine do? | Henry Richardson
In 1967, Homer Loutzenheuser flipped a switch and connected the power grids of the United States, forming one interconnected machine. Today, the US power grid is the world's largest machine, containing more than 7,300...
TED Talks
TED: How college loans exploit students for profit | Sajay Samuel
Once upon a time in America, says professor Sajay Samuel, "going to college did not mean graduating with debt." Today, higher education has become a consumer product -- costs have skyrocketed, saddling students with a combined debt of...
SciShow
Interview with EPA Administrator McCarthy
Hank interviews Administrator Gina McCarthy of the United States Environmental Protection Agency. They discuss getting people to care about climate change, the EPA's goals going into the United Nations Climate Change Conference, and the...
TED Talks
TED: How do we heal medicine? | Atul Gawande
Our medical systems are broken. Doctors are capable of extraordinary (and expensive) treatments, but they are losing their core focus: actually treating people. Doctor and writer Atul Gawande suggests we take a step back and look at new...
TED Talks
TED: An engineer's vision for tiny forests, everywhere | Shubhendu Sharma
A forest planted by humans, then left to nature's own devices, typically takes at least 100 years to mature. But what if we could make the process happen ten times faster? In this short talk, eco-entrepreneur (and TED Fellow) Shubhendu...
TED-Ed
TED-Ed: The problem with the U.S. bail system | Camilo Ramirez
Since 2000, the annual number of people convicted of crimes in the United States has stayed steady, but the average number of people in jail each year has shot up. How can that be? The answer lies in the bail system— which isn't doing...
SciShow
Why Is It So Hard to Let Go of Grudges?
We all have some displeasing memories from the past that still make our blood boil. Why are those grudges so hard to let go of?
3Blue1Brown
What is backpropagation really doing? Deep learning - Part 3 of 4
An overview of backpropagation, the algorithm behind how neural networks learn.
TED Talks
TED: Doesn't everyone deserve a chance at a good life? | Jim Yong Kim
Aspirations are rising as never before across the world, thanks in large part to smartphones and the internet -- will they be met with opportunity or frustration? As President of the World Bank Group, Jim Yong Kim wants to end extreme...
TED Talks
Navi Radjou: Creative problem-solving in the face of extreme limits
Navi Radjou has spent years studying "jugaad," also known as frugal innovation. Pioneered by entrepreneurs in emerging markets who figured out how to get spectacular value from limited resources, the practice has now caught on globally....
TED Talks
Bill Gross: A solar energy system that tracks the sun
Bill Gross, the founder of Idealab, talks about his life as an inventor, starting with his high-school company selling solar energy plans and kits. Learn here about a groundbreaking system for solar cells -- and some questions we haven't...
TED-Ed
Why are airplanes slower than they used to be? | Alex Gendler
In 1996, a British Airways plane flew from New York to London in a record-breaking two hours and fifty-three minutes. Today, however, passengers flying the same route can expect to spend no less than six hours in the air — twice as long....
TED Talks
TED: How the military fights climate change | David Titley
Military leaders have known for millennia that the time to prepare for a challenge is before it hits you, says scientist and retired US Navy officer David Titley. He takes us from the humanitarian catastrophe in Syria to the icy shores...
TED Talks
TED: The next manufacturing revolution is here | Olivier Scalabre
economic growth has been slowing for the past 50 years, but relief might come from an unexpected place -- a new form of manufacturing that is neither what you thought it was nor where you thought it was. Industrial systems thinker...
TED Talks
How synthetic biology can improve our health, food and materials | Emily Leproust
What if we could use biology to restore our balance with nature without giving up modern creature comforts? Advocating for a new kind of environmentalism, scientist and entrepreneur Emily Leproust rethinks modern sustainability at the...
TED Talks
Steven Cowley: Fusion is energy's future
Physicist Steven Cowley is certain that nuclear fusion is the only truly sustainable solution to the fuel crisis. He explains why fusion will work -- and details the projects that he and many others have devoted their lives to, working...
TED-Ed
Why good ideas get trapped in the valley of death -- and how to rescue them | TED-Ed
All new products must pass through the "valley of death" before they reach the market. Many never make it out, and sometimes that's OK -- if they don't work, don't fill a need or for any number of reasons. One of the fields where this...
SciShow
The Hubble was Almost a $15B Disaster
The Hubble Space Telescope has been sending home images of the universe for more than thirty years, but none of its work would have been possible without the many servicing missions that kept it up to date.
3Blue1Brown
What is backpropagation really doing? | Chapter 3, deep learning
An overview of backpropagation, the algorithm behind how neural networks learn.