Jan. 21, 2026 A major global study suggests that a hidden mismatch between two common blood tests could quietly signal serious trouble ahead. When results from creatinine and cystatin C—two markers ...

Discover more about the many different types of birds found around the world with Cam and Sophie the barn owl from One Zoo Three. What are reptiles? Discover the cold-blooded world of reptiles with ...

Guest: Daisy Hernández is a journalist and the author of The Kissing Bug. She’s based in Chicago. Transcripts for each episode are available within 1-3 days at sciencefriday.com. Subscribe to this ...