Most Recent Broadcast

November 8, 2024

Decades of research shows that expanding highways, despite its promise to reduce congestion, actually increases travel times. Plus, a math enthusiast finds the largest known prime number. And, blood pressure categories are based on patients who are sitting in a certain position. But not every doctor’s office takes readings that way.

LISTEN HERE

Sign Up For Science Friday’s Newsletters!

From sneak peeks of the show to educational resources to events, stay up to speed with all things SciFri.

Read More
Video

Shooting Stars

Photographer Colin Legg makes time-lapse movies of celestial scenes. Legg shares tips, and describes some of the challenges of landscape astrophotography—from babysitting cameras for days and nights on end to running electronics off the grid.

Watch Video
Segment

Ask a Quantum Mechanic

Teleporting data, time travel, quantum computers. Sci-fi or science reality? ‘Quantum mechanic’ Seth Lloyd joins us to talk about the mysteries of the quantum world.

Read More
Video

Blue Whale Barrel Roll

Blue whales can grow to 90 feet—that’s longer than a tennis court. To understand how they get so large, Jeremy Goldbogen studies their dining habits. And he found that blue whales do underwater acrobatics while they eat.

Watch Video