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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.
12:08
How Lucy, Our Famous Ancestor, Runs On A Virtual Treadmill
Scientists determined that Lucy, a human ancestor from 3.2 million years ago, couldn’t have beaten modern humans in a foot race.
16:58
Can Vaping Help You Quit Cigarettes? What Are The Risks?
Some research shows that e-cigarettes can be a useful tool for quitting cigarettes, but that strategy is hotly contested by scientists.
16:07
Managing Wildfires Using A Centuries-Old Indigenous Practice
The Karuk Tribe in Northern California has stewarded its home using prescribed burns for millennia. Now, they’re training others on the skill.
12:18
How DeepSeek’s AI Compares To Established Models
The Chinese AI company startled industry observers with an efficient new system. But how does it compare with the leading tech?
10:50
In ‘Common Side Effects,’ A Clash Over An All-Healing Mushroom
The show’s starring scientist finds a mushroom that can heal any ailment. But powerful people will do anything to stop him from cultivating it.
6:40
Why Snow Has That Crisp, Clean Smell
A combination of environmental factors and the way our bodies function play a role in how we perceive the smell of snow.
17:21
Investigating Fraud At The Heart Of Alzheimer’s Research
In “Doctored,” an investigative journalist outlines how fraud and misconduct have stalled the search for effective Alzheimer’s treatments.
11:53
Another Strain Of Bird Flu Discovered In California
The outbreak of H5N9 avian influenza occurred at a California duck farm in November 2024.
17:20
Building Blocks Of Life Found On Asteroid Bennu
Early analysis of asteroid samples from NASA’s OSIRIS-REx mission show the residue of an icy brine, and a soup of amino acids.
12:00
Understanding Bipolar Disorder Through The Genome
New research pinpoints 298 parts of the genome associated with higher risk of bipolar disorder. This could lead to better treatments.