According to scientists your brain can hold a lot more information than you think. So, to help you fill out your gray matter we’re bringing you 25 completely random and useless facts you should know!
The US interstate highway system requires that one mile in every five be straight. These straight sections function as airstrips in times of war and other emergencies.
Update: According to Richard F. Weingroff, a writer at the Federal Highway Administration, this is merely an urban legend and was never part of the purpose for the Interstate.