Snedden, Robert

Explains the science and technology of railroads, discusses the historical importance of railroads in American history, and explores famous railroads across the globe. Includes an engineering activity that gives readers the chance to apply their knowledge through hands-on construction.

Explains the historical importance and science and technology of roads, and explores famous roads across the globe. Includes an engineering activity that gives readers the chance to apply their knowledge through hands-on construction.

"Readers look at human emotion through the lens of the neuroscientist and follow all the brain functions and processes that help us feel our feelings"--Provided by publisher.

"[Explores] . . . the world of sleep, focusing on the brain's functions and role in making sure healthy sleep is achieved"--Provided by publisher.

Presents an illustrated discussion of medieval technology, including the construction of cathedrals, the use of masonry, windmills, waterwheels, printing presses, military machines, and timekeeping, practices in sailing, agriculture, and medicine, and more.

Covers the inventions and technology of the ancient Roman Empire and how their ideas influenced modern technology.

Covers the inventions and technology used in ancient China and how their ideas influenced technology today.

Looks at the causes and limits of variation within species and why it is important to survival.