People are imperfect, but, on occasion, they can perfectly perform a complex task. A pitcher can toss a perfect game in baseball. A gymnast can earn a 10.0 in international competition. A student can ace an exam.

America's newest national park recently opened on the South Side of Chicago. The Pullman National Monument celebrates the unique history of a company that mass-produced freight and passenger rail cars at the site from 1881 to 1981.

All-wheel drive (AWD) technology has taken the automotive world by storm in recent years, because of its ability to effectively transfer power to the ground. Today, many sport utility vehicles use AWD for better acceleration, performance, safety and traction in all kinds of driving conditions.

Among the factors that limit the growth of electric vehicle (EV) adoption are the relatively long times required to recharge batteries. In most cases, it takes hours to fully recharge an EV, whereas it takes only minutes to refill a gas tank.