Smog Cloud Silver Lining

When neuroscientist Madeline Lancaster was a brand new postdoc, she accidentally used an expired protein gel in a lab experiment and noticed something weird. The stem cells she was trying to grow in a dish were self-assembling. The result? Madeline was the first person ever to gr ...  Show more

In 1971, a red-headed, tree-loving astronaut named Stu ‘Smokey’ Roosa was asked to take something to the moon with him. Of all things, he chose to take a canister of 500 tree seeds. After orbiting the moon 34 times, the seeds made it back to Earth. NASA decided to plant the seeds ...  Show more

It started with students walking out of school to demand more action on climate change, built into an international movement – and then was propelled forward by a pandemic. Today on the show, the surprising story behind Europe’s climate plan, and what the rest of us can learn fro ...  Show more

We're tackling a sibling debate: Do your individual actions matter when it comes to climate change? Or is it all about big, systemic change? In this episode, we break down both sides of the argument. We lay out the actions that have the biggest impact on your carbon footprint – a ...  Show more

Sign up for the Great Courses Plus today and enjoy the first month for free: https://bit.ly/podcast-great-courses-plus We know the history of this planet and asteroids isn't good...just ask the dinosaurs. So, what if we were faced with the same situation now? How much time wou ...  Show more

Bomb cyclones! Polar vortices! Atmospheric rivers! And rained out barbecues. One of the world’s leading Meteorologists, Dr. Marshall Shepherd – a former NASA scientist and current Professor of Geography and Atmospheric Sciences at the University of Georgia – is here to field a ...