Readers will learn about some of the greatest space missions in history and find out what today's top engineers and scientists are doing to advance space exploration to new heights. They will also find out what it takes to begin a career in space exploration and how different workers can fill a variety of roles in the quest to reach distant planets and stars.

"Learn about the history of mobile apps and find out what it takes to make it in this exciting career field"--

"Learn about the history of robotics and find out what it takes to make it in this exciting career field"--

From leftover food to packaging materials to outdated or broken technology, humans produce an enormous amount of waste. In response to this problem, the popularity of recycling has grown rapidly in recent years. Find out how experts are working to find new recycling methods and cut down on the amount of trash that ends up in landfills, and discover whether you've got what it takes to help make some of tomorrow's most important recycling innovations....