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This transcript has been lightly editedClimate change is one of the most daunting problems facing our global civilization. And while world leaders…

Josh Willis has business cards that his wife made for him. His job title? "Idiot Leftist Scientist." Dave finds out why in this fun and fascinating…

Abigail Harrison has always wanted to be an astronaut, and hopes to be the first person on Mars. The 18-year-old is a freshman at Wellesley College, and…

Sean Carroll is an educator, scientist and writer. His previous books include "The Particle at the End of the Universe" and "From Eternity to Here," and…

On today's Blue Dot (Matt's last one), Bill Patzert, NASA Oceanographer and climatologist gives us the scoop on the state of our warming oceans, and what…

In this episode of Blue Dot, Dave is joined by Kate Fullam to interview Ann Druyan. Ann was the Creative Director of the Voyager Interstellar Message…

This week's Blue Dot is a classic episode. Our nation's fleet of weather satellites are one of our greatest orbital assets. They provide the data that is…

We go under the sea, literally, to investigate the alarming decline of sea star populations of the Pacific Coast of North America from Mexico to Alaska.…

Dave is joined by USGS seismologist Ken Hudnut as they interview John Dvorak, author of Earthquake Storms: The Fascinating History and Volatile Future of…

The year 2016 was noted for the number of celebrity deaths but in the sciences, there was one loss that was particularly notable. On this episode of Blue…