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November 22, 2024
On the 50th anniversary of Lucy’s discovery, paleoanthropologists reflect on what she means to science, and what she taught us about ourselves. Plus, divers have recovered seeds of a long-lost rye variety from a 146-year-old shipwreck in Lake Huron. And, just in time for Thanksgiving, a potato researcher explains potato varieties, potato nutrition, and some tubular tuber facts.
21:34
‘Countdown’ Explores the Effects of Our Overpopulated Planet
How can we sustain and balance the exploding global population?
33:31
Cracking Open Encryption Standards
How secure are the encryption systems that protect our communications?
4:15
Sifting Martian Soil and Dreaming of Future Expeditions
Recent analyses of Martian soil have found significant amounts of water.
7:33
With Government Shut Down, Science Idles
As the budgetary stalemate in Washington continues, many federally funded science projects are now on hold.
16:50
Les Paul: Inventor and Innovator
Paul was a lifelong tinkerer, building a railroad rail guitar as a teen and hearing aids in his 90s.
17:07
Food Fermentation: The Science of Sausage and Cheese
The chemistry behind sausage and cheese.
11:50
World’s Largest Neutrino Telescope Buried in Antarctic Ice
The IceCube telescope detects over 100,000 neutrinos every year.
23:32
Saving Wild Places in the ‘Anthropocene’
Do we need to rethink how we protect nature in the age of climate change?
22:49
Modern Humans Still Evolving, and Faster Than Ever
Recent evolution has given humans the ability to break down starch and digest cheese. Bon appetit!