Videos
Watch our short documentaries about science and technology.
Subscribe To Our Youtube Channel
Get the latest Science Friday videos the moment we publish them.
Watch All Our Videos
The Axolotl: A Cut Above the Rest
The axolotl is a Mexican salamander with an incredible ability: Cut its leg off, and the limb will grow right back!
The Agony And Ecstasy Of Capsaicin
Marco Tizzano explains how capsaicin creates a chemical cascade inside your body and why emotions might make chili lovers think they can handle the heat.
When Eels Attack!
Electric eels zap fish and other underwater prey, but what would make them leap out of the water and shock an animal like a horse?
The Big Sort: An Insider’s Tour Of A Recycling Plant
Every day at the Sims Municipal Recycling facility in Sunset Park, Brooklyn, roughly 800 tons of recyclables meander through a tangle of machines, scanners, and conveyor belts.
A Peek at the Possibilities of Biodesign
An air purifier filled with spider webs, a toilet insert that filters estrogen, a cactus-like water harvester—these were just a few of the ambitious and creative ideas presented at the first Biodesign Challenge, which took place on June 23, 2016.
A Shot in the Dark: Alternative Uses for Squid Ink
Stephanie Bush, a scientist at the Monterey Bay Aquarium Research Institute (MBARI), suggests that squids might use ink to attract a mate, repel a predator, or even confuse their prey.
I, Octopus
With thousands of chemically-sensitive suckers, color-changing skin, and a brain that literally stretches when they eat, octopuses seem like aliens living in our oceans.
The Real Guide to Imaginary Companions: Episode 1
Developmental psychologist have pieced together an unexpectedly diverse and nuanced profile of the children who create imaginary companions, while finding out how and why they create them.
The Real Guide to Imaginary Companions: Episode 3
Research by psychologists has revealed that imaginary companions can provide glimpses into the development of critical creative, social, and cognitive skills of children.
The Real Guide To Imaginary Companions: Episode 2
A trip into the lab of developmental psychologist Jacqueline Woolley reveals how children can become so enamored with their pretend friends, that they blur the lines between real and fantasy.