WIRED @WIRED
Burping inside a mask is the worst—but that's exactly what this mask from Zelp is trying to do to cows. It turns out the belches of the world's cows are a big problem for climate change, so researchers are having cattle mask up in an effort to slow it. 📸: Dan Burn-Forti https://t.co/S50XKA4gVE — PolitiTweet.org