February 7, 2025
Some research shows that e-cigarettes can be a useful tool for quitting cigarettes, but that strategy is hotly contested by scientists. Plus, an investigative journalist outlines how fraud and misconduct have stalled the search for effective Alzheimer’s treatments in a new book. And, why snow has that crisp, clean smell.
12:07
The Bubbles At The Center Of The Milky Way
A million years ago, the black hole at the center of our galaxy burped. Now, scientists are exploring what the resulting bubbles might say about our kinship with other galaxies.
17:36
Rats Learn To Hide And Seek
Neuroscientists say they can learn a lot by observing brains at play.
17:09
How Geometry Shaped The World
Science historian Amir Alexander shares how Euclidean geometry came to influence politics, art, and the nature of cities.
34:45
Why AI Is A Growing Part Of The Criminal Justice System
From facial recognition to emotion detection to risk assessments, AI is guiding the decisions of police departments and courtrooms across the country.
How Linear Perspective Made Florence’s Famed Dome Possible
Learn how a mirror and a painting helped design Brunelleschi’s Dome in this excerpt from “Proof!” by Amir Alexander.
Engineering A Fix For The Great Pacific Garbage Patch
Students will consider the impact the Great Pacific Garbage Patch on the environment and marine life—and design a waste-catching device.
7:39
A Dimming Plan For Lighting Efficiency
The Trump administration plans to roll back efficiency plans that would have decreased the use of incandescent light bulbs.
4:23
Are Florida’s Nursing Homes Prepared For Hurricanes?
Florida has one of the largest nursing home populations in the country. But it’s struggling to meet new preparedness guidelines.
18:24
Diving Headfirst Into Football Season With A New Look At Concussion Research
Researchers discover you don’t need a concussion to cause changes to the brain.
27:37
Randall Munroe’s ‘How To’ Guide For Everyday Problems
In his book “How To,” Randall Munroe answers how to send a file, charge your phone, and other everyday questions with uncommon solutions.
33:34
Widening The Lens On A More Inclusive Science
Indigenous peoples have been observing the world for thousands of years. Why are they still underrepresented in science?
Relearning The Star Stories Of Indigenous Peoples
How the lost constellations of Indigenous North Americans can connect culture, science, and inspire the next generation of scientists.
How Serena Williams Destroyed A Drone With A Tennis Ball
Tennis legend Serena Williams hits the court to face off with a drone in this excerpt from Randall Munroe’s “How To.”
SciFri Extra: Bird Nerds Of A Feather Flock Together
New York’s biggest bird enthusiasts discuss their favorite birds to see in the city and how to protect them from urban hazards.
10:56
Soft Robot Gives Jellyfish A Hug
Studying the ocean’s delicate creatures requires a soft (robotic) touch.
12:20
Hurricane Watch And An Ocean Arrival
All eyes are on the Atlantic this week as Hurricane Dorian approaches, and Greta Thunberg arrives in New York City.
17:55
What We Know And Don’t Know About The Mysterious Vaping Illness
An Illinois patient died from the illness last week. Now, health researchers are investigating the dangers of vaping and how it should be regulated.
17:27
Use These Free STEM Resources Made For Teachers, By Teachers
The teachers of today are training the scientists of the future with lessons from SciFri’s Educator Collaborative.
35:03
Retooling The Tourism Industry Under A Changing Climate
From the ski slopes to casinos, how climate change is affecting the tourism industry in Lake Tahoe and other recreation communities.
Movement And Mutualism: Modeling Ecosystem Interactions
In this educational resource, students will use dance to represent ecosystem relationships.