Nuclear war became a reality when the United States dropped two nuclear bombs in Japan during World War II. Despite the devastating results, many countries still own nuclear weapons. This… More →
Grades 2 - 5
The velociraptor was a fierce predator. Though it stood less than 2 feet tall, it was capable of taking down much larger prey. But how did it hunt? What did it eat? This fascinating text… More →
A few vents open, then suddenly, a blast shoots from the Earth! Lava races from the vents and ash covers the sky. There is no way to stop a supervolcano! In this high-interest title, find out More →
The Sun is a major component in the existence of life on Earth. Could it also bring about the end? Energy often shoots coronal mass ejections into space. A massive CME on course for Earth… More →
The enormous ankylosaurus looked intimidating. But this dinosaur ate only plants! Tough armor protected the ankylosaurus from bites. When attacked, it swung its club tail to knock out foes!… More →
A low roar rumbles through the forest. A Tyrannosaurus rex is on the move! What unlucky dinosaur will be its next meal? The ferocious T. rex is famous for its long, sharp teeth. But what… More →