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Listen to Science Friday live on Fridays from 2-4 p.m. ET
February 28, 2025
A federal DEI ban is already prompting changes across science agencies. How will it affect medical research? A journalist traveled to five continents to learn about the afterlife of our trash, and why most “recyclable” plastic actually isn’t. And, the ocean liner SS United States will become an artificial reef in Florida. How do artificial reefs work?
3:57
Science Seeks Snowflake Snapshots
Citizen scientists are photographing snowflakes to help study winter storms.
19:54
Are All Calories Created (And Burned) Equally?
How do low-carb, high protein, calorie counting guidelines affect our metabolism?
14:21
The Physics Of A Crowd
How does the movement of crowds change when they behave predictably, and when they don’t? The answer lies in fluid dynamics.
45:45
Gaga For Grosbeaks? Coveting Chickadees? Devoted To Ducks?
SciFri celebrates winter birds and the people who love them.
28:42
The Revolutionary Doctor Who Made New York ‘New York’
David Hosack was the physician at the famous Hamilton-Burr duel, and founded many other institutions. Yet he’s been largely forgotten.
16:30
The New Horizons Spacecraft Peers Beyond The Known World
New Horizons explored Pluto. Next stop? A New Year’s visit to a planetary ‘time capsule’ in the Kuiper Belt.
46:19
2018 Year In Review: Wildfires, Space Probes, And CRISPR
We recap the year in science news with Sarah Kaplan and Rachel Feltman.
6:58
Europe Moves Towards A Partial Plastics Ban
The EU is finalizing rules that would ban certain single-use plastic items, such as plastic cutlery and styrofoam coffee cups.
4:47
For Kids, State Flu Shot Rules Vary
Don’t assume that the whole family can get a flu vaccine at the local pharmacy.
11:52
Trump Administration Cracks Down On Fetal Cell Research
The Department of Health and Human Services is conducting a “comprehensive review” of research involving fetal tissue—and has disrupted an HIV research program in the process.