21:21
After A Year in Space, Subtle But Lingering Changes
From telomeres to immune response, how astronaut Scott Kelly’s gene expression changed after a year on the ISS.
8:00
How Citizen Science Can Speed Up Alzheimer’s Research
A citizen science game uses the power of the crowd to identify stalled blood cells.
Do Ice Baths Work?
Long story short, they may reduce pain, but they don’t speed the healing process.
5:49
Missouri Looks To Regulate Coal Ash Ponds
Toxic coal ash is contaminating groundwater around the state. Will proposed new regulations be enough?
17:02
What’s The Best Way To Recover After A Workout?
It turns out, there’s no right answer. Science writer Christie Aschwanden debunks our most commonly held beliefs about sports recovery with science.
The Origin Of The Word ‘Mercury’
From ancient alchemists to Lewis and Clark, mercury has a storied history.
16:28
Was The Flu Near You?
‘Flu Near You’ created a map of this season’s influenza-like illness across the U.S. How did the SciFri community stack up?
23:12
Steven Strogatz On The ‘Infinite Powers’ Of Calculus
From gravity to HIV treatments, calculus has helped us understand our universe.
The Poetry Of An X-Ray
Rafael Campo, a doctor and a poet, turns his experiences in the operating room into poetry.
How To Catch The Flu (Under The Lens)
Since 1983, electron microscopist Cynthia Goldsmith has captured the beauty of deadly viruses.