This week: Scott Pruitt’s fight against anonymous study subjects, a debate on should be regulating genetically engineered livestock, and new research that shows asteroids could have delivered water to the early Earth.

Support the show: https://www.patreon.com/inquiringminds

Hosted by Simplecast, an AdsWizz company. See pcm.adswizz.com for information about our collection and use of personal data for advertising.