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Listen to Science Friday live on Fridays from 2-4 p.m. ET
May 17, 2024
The latest breast cancer screening guidelines move the recommended age to start mammograms from 50 down to 40. How are these decisions made? Plus, early data from the DESI collaboration suggests that dark energy, which powers the universe’s accelerating expansion, may evolve over time. And, scientists are breeding wine grapes that will grow in Iowa’s climate in hopes of expanding the state’s wine industry.
15:39
Balancing Surveillance: Privacy and Security in the Digital Age
Is it possible to keep our personal information secure in the digital age?
12:08
Fossil Jaw Turns Back Clock on Human Evolution
A newly discovered fossil jaw pushes the date of Homo’s evolution back to 2.8 million years ago.
17:27
The Interstellar Tourist’s Guide to Exoplanets
Exoplanet hunter Sara Seager explains how biosignature gases could help identify life on exoplanets, and The Takeaway’s John Hockenberry takes Ira on a futuristic tour of exoplanet vacation destinations.
14:31
Avoid the Doctor—For Your Health
How much medical care is too much medical care?
9:03
Dawn Arrives at Ceres
Mission director and chief engineer Marc Rayman gives an update on the Dawn mission, scheduled to arrive in orbit around dwarf planet Ceres this week.
22:06
One Hundred Years of General Relativity
Albert Einstein published his theory of general relativity on December 2, 1915.
16:46
After Decades of Dietary Warnings, Eggs Make a Comeback
After decades of warnings, the advisory committee behind the U.S. government’s dietary guidelines drops its prohibition on cholesterol.
17:20
Future Crimes: The Next Generation of Security Threats
In “Future Crimes,” author Marc Goodman looks at how criminals are using emergent technology for their own benefit.
12:17
NASA and Integration During the Civil Rights Movement
As part of Black History Month, Science Friday looks at the role of African-American scientists at NASA during the Civil Rights era.
7:34
Dawn of the Cyborg Bacteria
In a basement laboratory at the University of Pennsylvania, two roboticists have harnessed the sensing, swimming, and swarming abilities of bacteria to power microscopic robots.