Scientific American partnered with grassroots organization ScienceDebate.org earlier this summer to encourage the two main presidential candidates--Barack Obama and Mitt Romney--to answer 14 questions on some of the biggest scientific and technological challenges facing the nation. President Obama and Governor Romney have now answered these Top American Science Questions, which you can read below.
Editors will grade the candidates' answers for SA's November issue, which will be available on the iPad and in print in mid-October.

Check the questions and answers at http://www.scientificamerican.com/article.cfm?id=obama-romney-science-debate