Editor in chief Nancy Shute recounts the 50-year anniversary of the hominid's discovery, which upended the study of human evolution.

Students will be notified by their ACS Local Section Coordinator. Coordinators choose nominees for the National Exam based on results of the local competition. A three-part exam administered to more ...

Or sign-in if you have an account. 'Mail and parcels will not be processed or delivered for the duration of the national strike,' Crown corporation advises You can save this article by registering ...

Just like other painters working at the time, Vincent made flower still lifes. But he did things a little differently. After practising with different flowers, he chose a specific variety: the ...