Christa Sadler

Christa Sadler is an educator, author, and river guide. She and Brian sit down to chat about science in the Grand Canyon, her books, and adventuring around the globe. Enjoy Christa Sadler!

2356 232

Suggested Podcasts

infoier | 设计乘数

Joseph Anderson, MD

Gimlet

The Real Dietitians Of New York City

Karnik khare

No Money productions

WE Together