Did trees kill the world?

Spider silk can be stronger than steel by weight and tougher than Kevlar. Can scientists make their own? Guest: Greg Holland, professor in the Department of Chemistry and Biochemistry at San Diego State University For show transcripts, go to ⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠vox.com/unxtrans ...  Show more

More than just beautiful flowers, wild orchids have been confounding scientists for years. Our friends at Sidedoor — a podcast from the Smithsonian — set out to find a rare specimen for themselves. Guest: ⁠Lizzie Peabody⁠, host of ⁠Sidedoor⁠ For show transcripts, go to ⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠ ...  Show more

A catastrophic volcanic event in the Late Permian Period caused the biggest mass extinction of all time - known to us as the Great Dying. As a result, a large majority of terrestrial life would disappear, but our ancestors had the adaptations (and the healthy dose of luck) needed ...  Show more

66 million years ago, an asteroid hit our planet triggering global wildfires, an impact winter, and the end of the Age of Dinosaurs. Could you make it through the darkest days of planet Earth?--Eons is a production of Complexly for PBS Digital Studios.If you'd like to support the ...  Show more

Is Earth due for a mass extinction? Population ecologists think so. Check out this HowStuffWorks podcast to learn more mass extinctions.

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