Sean McCollum

US leaders need accurate information to make important decisions. They turn to the CIA to get it. Around the clock, members of the CIA are hard at work. As covert officers secretly gather intelligence, analysts are busy studying it....

Racing fans love to watch sports cars whirl around the track. Discover how these amazing machines have evolved from their early days and into some of the fastest cars on the track....

Reaching speeds of 230 miles per hour, Indy cars are the fastest automobiles on the world’s racecourses. But besides being speedy, Indy cars are modern technological marvels. Find out how even the tiniest tweaks can mean the difference between winning and losing....

When the Titanic was built, many people thought the massive ship was unsinkable. Today it rests on the ocean floor. Learn about why ships sink and how past disasters and modern technology have led to safer ships....