MIT Technology Review @techreview
This means that at the low end, a 30-year-old woman could be exposed to no more than 180 millisieverts (mSv) throughout her career; at the upper limit, a 60-year-old man could endure up to 700 mSv before being grounded. https://t.co/5PS1T1lQk8 — PolitiTweet.org