Mary Kay Carson

"What if tornadoes could be stopped or slowed down? In this addition to the critically-acclaimed Scientist in the Field series, scientist Robin Tanamachi and her team are trying to come up with a way to predict tornadoes with even greater accuracy, and save countless lives across America's heartland."--

Traces the evolution of mankind's astronomical knowledge from its origins to current findings, and features educational projects, profiles of famous astronomers, and a timeline of major discoveries.

"Presents information about icy dwarf planets, including fast facts, history, and technology used to study them"--Provided by publisher.

"Presents information about Uranus, including fast facts, history, and technology used to study the planet"--Provided by publisher.

"Presents information about Neptune, including fast facts, history, and technology used to study the planet"--Provided by publisher.

Presents information about asteroids and comets, including fast facts, history, and technology used to study them.

"Presents information about Mercury, including fast facts, history, and technology used to study the planet"--Provided by publisher.

"Presents information about Jupiter, including fast facts, history, and technology used to study the planet"--Provided by publisher.

This activity book tells the amazing true story of how two bicycle-making brothers from Ohio, with no more than high-school educations, accomplished a feat that forever changed the world. At a time when most people still had not ridden in an automobile, Wilbur and Orville Wright built the first powered, heavier-than-air flying machine. Woven throughout the heartwarming story of the two brothers are activities that highlight their ingenuity and problem-solving...

Long before its establishment as a national park in 1872, Yellowstone was home to the gray wolf, as well as other large predators. But the relationship between human and wolf has always been a tense and complicated one. Predator control programs were developed and, by the mid-1900s, wolves had almost been entirely eliminated from the region and even the lower United States. The removal of even one strand of an ecosystem's complex web can have a ripple...