On Today's Podcast
Artemis II test flight heads toward the moon
The Artemis II mission has launched, and its four astronauts are en route to the moon for a lunar flyby.
Listen NowApril 3, 2026
The Artemis II mission has launched, and its four astronauts are en route to the moon for a lunar flyby. Plus, one scientist wants to put bioengineered algae to work cleaning microplastics out of wastewater. And, you probably shouldn’t spend time on your phone while you’re on the toilet, and other pooping tips from a gastroenterologist.
6:55
Olympians Look to Science for a Competitive Edge
Physiologist and aerospace engineer Troy Flanagan shares the science behind Olympic training.
9:41
Can Technology Build a Better Athlete?
Will the next big Olympics competition be a race for more technology?
Forecasting Avalanches
Using field tests and a deep understanding of how to identify weaknesses in the snow pack, staff members from the Utah Avalanche Center forecast avalanches and take preventive measures.
Why Olympic Curling Stones Come From This Scottish Island
A small Scottish island is now the sole source of Olympic curling stone granite.
Meet John Weller, Our Winter Nature Photo Contest Judge
This nature photographer is drawn to pictures that capture a subject’s essence and tell a story.
Sports Science
Exploring the science, physiology, and tech behind sports and athletics.
The Internet’s Dark Side, Exposed in Three New Films
Three documentaries raise important questions about Internet use, from its effect on our personal relationships to our right to access information.
SciArts at Sundance: Web Junkie
Science Friday attended the 2014 Sundance Film Festival and had a conversation with Shosh Shlam and Hilla Medalia, the directors of the feature documentary film, “Web Junkie.”
A Nanoparticle Heart
This heart-shaped nanoparticle contains a trio of elements that helps drive the oxidation of ethanol in fuel cells.
Test the Finger Wrinkle Hypothesis
Perform an experiment to determine whether smooth or wrinkled fingers are better at holding wet objects. The experiment requires only a water bottle, paperclip, and plastic ruler.
Downloads: Video, student data sheet, illustrated instructions
8:43
Stem Cell Research Update
Researchers in a recent study report creating stem cells in 30 minutes through an acid bath.
28:34
Solving Life’s Everyday Problems, With Data
Data geeks say our “digital breadcrumbs” can reveal where to eat, who to date, or which bus to take.
8:22
Out of the Bottle: Wine Psychology
How do our expectations, environment, and social cues trick us into believing our wine tastes better or worse?
12:04
Scientists Hunt for Morning Dew on Mars
Could mysterious dark streaks on Martian slopes be evidence of liquid water flows?
17:41
Andy Weir: ‘The Martian’
Andy Weir’s novel of Mars survival mixes science fact and fiction.
9:43
In Wind Tunnels, Ski Jumpers Become Flying Machines
Wind tunnels help Olympic ski jumpers balance between lift and drag.
6:42
For Some Olympians, Winning Medals Is All About Flow
Understanding fluid dynamics helps Olympians shave minutes off race times.
Olympic Ski Jump Training in the Wind Tunnel
Physics Professor Adam Johnston, explains how, with the help of a wind tunnel, U.S. ski jumpers can fine tune the physics of their jumps along with the flow of air around their bodies in order to attain Olympic gold.
Seeing (and Feeling) the Future of Virtual Reality With the Oculus Rift
SciFri tests out the cutting-edge virtual reality device at this year’s Sundance Film Festival.