"In the 1990s, scientists lived inside Biosphere 2 (Biosphere 1 is the Earth itself) for two years, trying to figure out if colonizing Mars would ever be possible. Now scientists don't live there but instead conduct all sorts of studies and experiments aimed to help us better understand our environment and especially understand what sort of things are happening to it due to climate change and other man-made problems. It's a unique take on the Scientists...

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...

"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."--

Weather affects everyone all over the world. What makes a desert hot and dry while a rain forest is hot and wet? What is global climate change? How do scientists crack the meteorological code and forecast weather?

"Could a snowball fight really have sparked the American Revolution? What made people get so steaming mad over the price of tea? And did it take a minuteman only a minute to join the fight? Step back into colonial America to find out about taxation without representation; why the British were called lobsters, the first-ever combat submarine and whether Yankee doodles were really dandy!"--

At a scorching 462 degrees Celsius, Venus is the hottest planet in the solar system, and poisonous clouds of gas surround it. Spacecraft from Earth have visited Venus. Readers will learn about the amazing missions and the scientists who plan them This book features a center spread with fast facts, perfect for report writing.

Ghost stories from Cheyenne, Wyoming have never been so creepy, fun, and full of mystery! The haunted history of the Magic City of the Plains comes to life--even when the main players are dead. Visit the Plains Hotel to catch a glimpse of the spirits who checked in but never checked out. Or look for the ghosts of cowboys at the town's Wrangler Store. Dive into this spooky chapter book for suspenseful tales of bumps in the night, paranormal investigations,...

Have your readers ever seen a comet or a shooting star? You may think they look pretty, but these giant space rocks can cause major destruction. Scientists keep a close watch on comets and asteroids using high-powered telescopes and spacecraft. Get readers ready to learn lots of far-out facts about asteroids and comets.

There are few kids who don't enjoy home video games, but do they know who invented the first one? Readers learn about Ralph Baer's life and the first home video games ever made. Readers will invent their own game, too.

Cratered Mercury is the smallest and fastest planet in the solar system. Temperatures there vary more than on any other planet. Readers will learn lots of far-out facts about the closest planet to the Sun. This book features a center spread with fast facts, perfect for report writing.