Episodes

Researchers map out what it would take for over 100 countries to switch entirely to renewable energy. Plus, scientists and space fanatics celebrate the Voyager mission’s 40th birthday.

Most artificial flavors don’t taste like their real fruit counterparts, but why? The answer lies in both history and chemistry. Plus, researchers question the safety of drugs fast-tracked by the FDA.

New clues in the mystery of the moon’s long-snuffed out magnetic field. Plus, how to make spoof-proof fingerprint scanners and facial recognition technology.

An exciting breakthrough in human gene editing using CRISPR is tempered by ethical questions. Plus, only three weeks remain before the Great American Eclipse. Are you ready?

Testing the physics of this summer’s superhero blockbusters. And we revisit the pseudoscientific ideas of the 1950s, like “Hollow Earthism.”

NASA wants to test our ability to deflect asteroids that could come too close to Earth. Plus, the fascinating story of the air we breathe and the gases that have shaped human history.

Can the grid get a grip on the influx of solar and wind energy? And a story of death…and some hope…for the world’s coral.

The hidden wonders you’ll want to hit on a geeky science-themed road trip. And a new Food Failures segment teaches us how to make delicious dishes without turning up the heat.

From color to crunch, there are subtle cues that make our food taste better. Plus, how safety lapses at national nuclear weapons labs are making dangerous work even more hazardous.

The cephalopod celebration continues, with a look at technology inspired by the brainy creatures. Plus, a new way to look at fetal health, using the placenta.