The active ingredient is used in the morning-after pill commonly marketed as “ella” or “ellaOne,” which is advertised as a ...

A warning to area residents to avoid contact with local streams came several hours after officials responded to the spill.

Esters are usually synthesized from an alcohol and an acid, most frequently, a carboxylic acid. In some cases, an epoxide is used instead of the alcohol; or an acid halide or anhydride replaces the ...

A seed crystal can be dropped into a saturated solution of sodium acetate. The solution will suddenly crystallize and turn to solid. Alternately, the solution may be slowly poured out onto a seed ...

The research could further complicate the polarized politics of abortion because the drug in the study is the key ingredient ...

A seed crystal can be dropped into a saturated solution of sodium acetate. The solution will suddenly crystallize and turn to solid. Alternately, the solution may be slowly poured out onto a seed ...