- – The global cancer death rate, adjusted for aging, is falling. – In the US, the cancer survival rate is rising. @HannahRitchie02 reports: t.co/4t38DkHizQ
- fuliginous: t.co/Q7reychsYk
- Stygian: you can figure this out from "the River Styx"
- mephitic: t.co/HFki4GvMbr
- Pollution could be awful before the Industrial Revolution, too. Check out t.co/aofOvgh7YZ and increase your vocabulary .... t.co/d6EF6D0fCT #HumanProgressData