Since its founding by President Abraham Lincoln in 1863, the National Academies have served the nation by drawing on the knowledge of the country’s top experts to deliver nonpartisan, objective advice on matters of science, engineering, and medicine. Based On Science uses the community of experts to provide the most up-to-date, evidence-based information about science and health questions that affect the decisions we make each day. Take a look at the list of topics above to see if something you have wondered about has been addressed. If you have suggestions for additional topics, fill out the form below.