来自MSN1 个月
A brief history of America's love affair with fluoridated water — and why it's now up for ...
Nearly 63% of the US population has fluoridated water flowing through their taps, according to the Centers for Disease Control and Prevention (CDC). US health experts describe fluoridated water ...
Smithsonian Magazine2 个月
A Brief History of Book Banning in America
Book-banning might seem like a relic of less enlightened times, but the practice is back in a big way. The American Library Association reports (https://www ...