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Crash Course
Animal Infrastructure: Why You’re More Than Goo: Crash Course Biology #44
When you think about the body’s infrastructure, you probably think of bones. But what about the heart, the blood vessels, and the lymphatic system? In this episode of Crash Course Biology, we’ll tour the cardiovascular, lymphatic, and...
TED Talks
How to build in space for life on Earth | Ariel Ekblaw
Is space the “final frontier” — or the perfect place to revolutionize life on Earth? Space architect Ariel Ekblaw reveals how self-assembling structures could build orbiting real estate in space dedicated to solving humanity’s greatest...
TED Talks
A concrete plan for sustainable cement | Ryan Gilliam
Cement is one of the most-consumed materials on Earth — second only to water — and it accounts for a whopping eight percent of the world's carbon pollution. What if we could turn this climate villain into a hero? Clean tech innovator and...
PBS
Why engineers are turning to beavers for insights into managing water resources
Beavers and the dams they build are not always embraced in the areas where they do their work. But there's a growing recognition that they also are building a kind of natural infrastructure that helps with water management and the...
TED Talks
TED: How buildings can improve life - inside and out | Doris Sung
Architect and building tech innovator Doris Sung presents a compelling vision for reimagining building facades as active contributors to urban life and public health. Showcasing innovative technologies - like buildings that filter...
TED Talks
TED: The fight over minerals for green energy — and a better way forward | Saleem Ali
To transition to clean energy and green technology like electric cars, the world needs massive amounts of essential minerals. Environmental peacemaker Saleem Ali explains the conflicts already arising between countries rushing to mine...
TED Talks
TED: The invisible networks shaping your everyday life | Deb Chachra
The basic infrastructure that controls plumbing, electricity and more is vital to your individual agency, says engineering professor Deb Chachra. She offers a crash course on how these systems connect to shape our lives — and suggests...
SciShow
How To Clear Icy Roads, With Science
Icy roads are a huge hazard, and typical methods of de-icing them can be pretty toxic to wildlife. Which is why researchers have been so fixated on finding better alternatives, from brine to pig pee.
TED Talks
TED: Lessons from the past on adapting to climate change | Laprisha Berry Daniels
Laprisha Berry Daniels' grandparents left the Southern United States and migrated north to Detroit in the 1950s — a move that could be considered a big "climate change." Now, as a public health social worker, Berry Daniels mines the...
TED Talks
TED: Can a simple brick be the next great battery? | John O'Donnell
The world relies on manufacturing, and manufacturing relies on heat — a massive contributor to global carbon emissions, responsible for a quarter of the world's fossil fuel use. Energy entrepreneur John O'Donnell has figured out a...
SciShow
How To Clear Icy Roads, With Science
Icy roads are a huge hazard, and typical methods of de-icing them can be pretty toxic to wildlife. Which is why researchers have been so fixated on finding better alternatives, from brine to pig pee.
TED Talks
TED: The secret perks of driving electric | Cynthia Williams
Electric vehicles need to be more than just eco-friendly — they have to be more chic, convenient and affordable than their gas-powered alternatives, says sustainability leader Cynthia Williams. She explores what it'll take for an...
TED Talks
TED: Why you should ditch deadly fossil-fuel appliances | Donnel Baird
In the US, people spend the overwhelming majority of their time inside buildings that burn fossil fuels, which are bad for both the environment and human health. (Think: breathing in air pollution from gas stoves, furnaces and water...
TED Talks
TED: How to harness abundant, clean energy for 10 billion people | Julio Friedmann
We can produce abundant, sustainable and cheap energy — for everyone, says physicist Julio Friedmann. He explores the infrastructure, innovation and investment needed to supply energy to 10 billion people, offering case studies from...
TED Talks
TED: How business can drive solutions to social problems | Carlos Rodríguez-Pastor
Driven by the belief that businesses can — and should — invest in the communities around them, Intercorp founder and philanthropist Carlos Rodríguez-Pastor has built schools, pharmacies and a literal bridge to better serve Peru's growing...
TED Talks
TED: Can AI help solve the climate crisis? | Sims Witherspoon
AI can be a transformational tool in our fight against climate change, says Sims Witherspoon, a leader at the AI research lab Google DeepMind. Using wind power as her case study, she explains how powerful neural networks can help us...
TED Talks
TED: Detroit's climate crisis -- and how to build a resilient future everywhere | Anika Goss
How can cities become resilient to the shocks of climate change? As a leading force behind Detroit's ongoing revitalization, Anika Goss spends a lot of time thinking about this question. Connecting the city's industrial past to its...
TED Talks
TED: How to make sure materials get reused -- again and again | Garry Cooper
What if we could harness the power and value of all that we discard? Circular economy builder Garry Cooper presents a compelling vision for transforming cities into sustainable, circular economies, citing real-world examples of how...
SciShow
How Can I Make A Traffic Light Turn Green?
If you've ever been stuck at a red light on a country road, you know it can be annoying. No other cars for miles, but you can't shake the feeling that if you run the light, one will appear out of nowhere and slam into you. Today we have...
TED Talks
TED: What happens to gas stations when the world goes electric? | Emily Grubert
When the world goes fully electric, what happens to the cars, tools and livelihoods that rely on fossil fuels? Civil engineer and environmental sociologist Emily Grubert visualizes what a clean energy future will look like, outlining the...
PBS
This super strong concrete could repair aging bridges. Here’s what’s standing in the way
There's a dire need to repair aging infrastructure in the U.S., and an innovative building material could be a game changer. Embedded with steel fibers, ultra-high performance concrete is about five to 10 times stronger than standard...
PBS
How faculty mentors can help first-generation students succeed
A new initiative by the University of California system uses first-generation faculty to guide first-generation students, with the goal of decreasing dropout rates. As part of our series Rethinking College, Hari Sreenivasan visits UCLA...
PBS
Tourism in Iceland is booming, but that may not be all good news
As war, terrorism and uncertainty pervade the globe, travelers are flocking to Iceland -- regarded as one of the safest nations on the planet. Fishing used to be the country's most profitable industry, but in recent years, tourism has...
PBS
Retired house members discuss the challenges of partisanship
As President Donald Trump begins his first days in office, he joins a Congress that has been divided by partisanship in recent years. The NewsHour Weekend's Megan Thompson sat down with two recently retired members of the House of...