How to Roll a Joint Perfectly, according to Science

Jul 31, 2023 · 9 min

0:00-9:48

Streams straight from the publisher. podnod never proxies or re-hosts episode audio.

Scientists used a smoking machine—complete with a 3-D-printed mouthpiece—to figure out how to get the most cannabinoid per puff.

Learn more about your ad choices. Visit megaphone.fm/adchoices