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.
12:12
The Sticky Science Behind Maple Syrup
Plant physiologist Abby van den Berg traces how maple sap flows through trees and onto your plate.
17:13
Discovering Your Inner Fish
Evolutionary biologist Neil Shubin takes us through the evolutionary story of how the human body evolved from our fish and reptilian ancestors.
16:36
Amir Aczel: ‘Why Science Does Not Disprove God’
Aczel’s latest book chronicles the New Atheist movement, taking aim at scientists like Richard Dawkins.
21:40
How a Warming Planet Will Change What’s on Your Plate
Climate change has already cut yields of wheat and corn, taking a bite out of gains achieved by better farming technology.
17:02
E.O. Wilson: ‘A Window on Eternity’
E.O. Wilson discusses the recovery and biodiversity of Mozambique’s Gorongosa National Park.
7:34
Spotting Earth’s Cousin in the Cosmos
Astronomers have found a planet about the size of Earth, far enough from its star to host liquid water.
The Sounds of Space, in Indie Music
A new compilation of indie rock music includes sounds collected from the Voyager space missions.
Suckers for Sap
By vacuum-sucking sap directly from the cut tops of juvenile maple trees, the researchers may revolutionize the maple syrup industry.
Practice Eye of Yesteryear
The instrument is an early version of a training device popularized by optometrists.
17:17
Busting Bad Bacteria With Their Viral Enemies
Phages added to packaged beef or spinach could cut down on E. coli bacteria outbreaks.
12:13
Bill Nye Stops By
Bill Nye stops by to chat about teaching science, launching solar sails into space, and more.
16:38
Up Close With the Lunar Eclipse
The lunar eclipse on Tuesday, April 15, will be visible from all over North and South America.
11:32
Scientists Study Vole Romance Under the Influence
To learn how alcohol affects relationships, scientists mix prairie voles a drink.
17:29
Reawakening Limbs After Years of Paralysis
Paraplegics were able to stand and move their legs again with the help of a spinal implant.
16:36
With Her Kids’ Help, Jean Craighead George’s ‘Ice Whale’ Sees Print
The final novel from “My Side of the Mountain” author Jean Craighead George takes children underneath the Arctic Ocean.
Yogurt, Breakfast of Champions?
Research suggests that yogurt containing active bacterial cultures could have multiple health benefits.
Gecko-Inspired Adhesive
A reusable tape made of micro fibers has the remarkable ability to self-clean.
An Artist Memorializes Frogs’ Struggle for Survival
Artist Brandon Ballengée’s portraits of deformed frogs turn scientific specimens into “stained glass windows.”