We Could Use Kale To Mine Heavy Metals And Clean Up Polluted Soil

Greens are good for us, and a new study finds greens are good for soil that’s been contaminated with toxic metals… which may also be a big deal in the world of mining. Plus: this month in 1925, the state of Oregon first flew its official flag. It's the only American state flag where the image on the back is different from what’s on the front. Kale, cabbage found effective at mining toxic thallium metal from polluted soil (Interesting Engineering)Oregon State Flag (Oregon Encyclopedia)Want this show to grow? Back us on Patreon