Science Friday

Science Friday with host Ira Flatow discusses the latest in science, technology, health, and the environment. It's brain fun, for curious people.

Recent Episodes

Hr1: News Roundup, CA Solar Glut, Nuclear Safety, Polar Bears

USGS wildlife biologist Karyn Rode monitors how populations of polar bears are affected by shrinking sea ice and other changing conditions in the Arctic. Plus, how safety lapses at national nuclear weapons labs are making dangerous work even more hazardous.

Hr2: Rover AI, Vax Patch, Gastrophysics

From color to crunch, there are subtle cues that make our food taste better. Plus, a new autonomous system lets the Mars rover conduct research even while offline. And an experimental vaccine patch would deliver influenza vaccine via an array of dissolvable, microscopic needles.

Marijuana Policy and Opioids, Placenta, Exoplanets, DNA Replication

A new way to look at fetal health, using the placenta. Plus, the Kepler mission found thousands of new planet candidates, including 10 possible rocky worlds within their stars habitable zone. And a new video captures DNA in the act of replication.

Hr1: News Roundup, Climate and Coffee, Cephalopod Week

The cephalopod celebration continues, with a look at technology inspired by the brainy creatures. Plus, researchers estimate that climate change effects could wipe out 39–59 percent of Ethiopian coffee farms in the future.

Hr2:Political Math, Great Lakes

The North American Great Lakes are changing under the influence of pollution, invasive species, and climate change. How well will they weather this stress?