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September 22, 2023
Climate scientist Michael Mann talks about how important it is to take action now—before we see climate change’s worst consequences. Plus, research suggests that comedy is a powerful way to mobilize people. And, after this summer’s heat, marine biologists are scrambling to help protect the rapidly dying reef in the Florida Keys.
9:49
Neanderthals and Modern Humans Mingled for Millennia
New, more accurate radiocarbon dating suggests the two cultures co-existed in Europe for nearly 5,000 years.
7:34
Making “Masstransiscope”
A filmmaker uses science to transform the New York City subway into a movie theater.
12:21
Oceans Act As the World’s Thermostat
Global temperatures hit a plateau at the turn of the 21st century. Now researchers say they’ve discovered where that missing heat was hiding: in the oceans.
17:38
The SciFri Book Club Talks ‘Dune’
The SciFri Book Club concludes its discussion of Frank Herbert’s ecological epic, “Dune.”
6:51
Microbes Thrive in Antarctic Lake Buried Beneath Ice
Microbes have made a home in a lake trapped beneath an 800-meter-thick ice sheet in Antarctica.
22:52
Can the Bacteria in Your Gut Send Messages to Your Brain?
Researchers discuss how the microbiome might play a role in anxiety, depression, and autism.
6:37
Bridging the Rift: Oculus’ Answer to Virtual Reality
Technological and design innovations inside the Oculus Rift make virtual reality poised for a mass-market debut.
18:06
Sylvia Earle’s ‘Mission Blue’
Oceanographer Sylvia Earle bears witness to troubling changes in our oceans in the documentary “Mission Blue.”
21:44
Concocting Condiments
Culinary scientist Ali Bouzari dips into the chemistry behind condiments, from hot sauce to mustard.
10:26
App Chat: Being Social Without Leaving a Trace
A growing number of apps allow users to post ephemeral or anonymous messages—and they’re catching on quickly with millennials.