sulfur

Sulfur crystals from Sicily (greatly enlarged)Courtesy of the Illinois State Museum; photograph, John H. Gerard
Take a 3-minute break and test your skills!
June 30, 2015
disinformation Hear it
false information deliberately spread
How to use a word that (literally) drives some people nuts.
Test your vocab with our fun, fast game
Ailurophobia, and 9 other unusual fears