On Today's Podcast

What Greenland Sharks Are Teaching Us About Aging Eyes

Greenland sharks' eyes never seem to get old. Plus, exactly how flawless is the greatest eye in the sky, the James Webb Space Telescope?

Listen Now
Today's Broadcast

January 16, 2026

Some Parkinson’s patients may experience strange symptoms, like smell loss and sleep disorders, decades before diagnosis. Plus, a Pompeii construction site preserved in ash reveals secrets of the famously durable Roman concrete. And, Greenland sharks live for hundreds of years, but their eyes never seem to get old. What can they teach us about aging human eyes?

Listen At 2 p.m. ET

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
Segment

6:47

This Fish Sucks

Adam Summers of the University of Washington’s Friday Harbor Labs details how the northern clingfish takes the art of suction to new heights.

Listen
Video

This Fish Sucks

Adam Summers of the University of Washington’s Friday Harbor Labs, details how the Northern Clingfish takes the art of suction to new heights.

Watch Video