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Listen to Science Friday live on Fridays from 2-4 p.m. ET
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.
16:13
Why Do Some Songs Stick in Our Heads?
“Earworms” are song fragments that get stuck in our mind.
8:27
Laser Blast Can Regrow Teeth, in Rats
Zapping dental stem cells with lasers appears to switch on production of new dentin, the hard stuff under tooth enamel.
12:01
How Touch Helps Us Emotionally Experience the World
Researchers describe a type of nerve that helps us understand social interactions and emotion.
6:01
New Meteor Shower May Offer Skygazers a Treat…Or Not
Late Friday night, Earth will sail through debris left by the comet 209P/LINEAR. Scientists are calling the shower the Camelopardalids.
10:36
Customizing Your Cryptocurrency With Altcoins
ZeroCash, Litecoin, and SolarCoin are digital currency alternatives to Bitcoin.
29:15
Are Microbes Winning the Antibiotic Arms Race?
We’re running out of antibiotics, and drug companies have little incentive to develop new ones. Can we save the ones we already have?
17:01
Why Science and the Humanities Are Better Together
Biographer Walter Isaacson explains why the future belongs to those who can merge the arts and the sciences.
17:21
The Debate Over Net Neutrality
What does the Federal Communications Commission’s net neutrality plan mean for consumers?
11:50
Is It Possible to Make Matter From Light?
Scientists mapped out the plan for a potential “photon-photon collider” that could convert light into matter.
9:30
Remembering Nereus, Explorer of Ocean Depths
The robotic deep-sea submersible Nereus was destroyed while diving over six miles beneath the surface in the Kermadec Trench.