Unfortunately it's a fact that Americans are getting dumber by the day. Children are hardly able to spell correctly, need a calculator to add up simple figures, don't know the capital of their own state, have no clue when the Second World War happened, et cetera.
So how come the USA has some of the brightest scientists in the world? HB1. In other words: most 'American' scientists are not from America but 'imported' thanks to HB1, the special visa for bright minds. The problem? They are starting to return to their home countries, leaving the United States of America.
Yes, science proves it: people ARE getting dumber: