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

Hr2: DC Science Staffing, Skype A Scientist, No-Heat Cooking

A new Food Failures segment teaches us how to make delicious dishes without turning up the heat. Plus, President Trump has yet to name a presidential science advisor or directors for NASA and NOAA, and other key science positions.

Hr1: News Roundup, Kilogram, Roman Concrete, Science Road Trip

The hidden wonders you might want to hit on a geeky science-themed road trip. Plus, researchers are working to understand the exceptional durability of an ancient building material. And why standardizing our mass measurements relies on an elaborate and exacting physics experiment.

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.

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.

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.

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.