An elementary exploration of stag-moose, focusing on fossil evidence that helps explain how their wide antlers and sharp hooves helped these beasts adapt to the last Ice Age.
An elementary exploration of saber-toothed cats, focusing on fossil evidence that helps explain how their sharp, curved teeth and short legs helped these beasts adapt to the last Ice Age.
An elementary exploration of mammoths, focusing on fossil evidence that helps explain how their big tusks and shaggy fur helped these plant-eating beasts adapt to the last Ice Age.
A basic exploration of the appearance, behavior, and habitat of falcons, Earth’s fast-flying birds of prey. Also included is a story from folklore explaining why peregrine falcons are such good fliers.
In the northeastern region known as the Great North Woods, day dawns with quivering aspens, waters teem with life, forests prowl with predators, and nature is celebrated in rhyme.
A look at manatees, including their habitats, physical characteristics such as their unique respiratory system, behaviors, relationships with humans, and the protected status of these intelligent creatures in the world today.
An elementary introduction to the physics involved in the sport of baseball, including scientific concepts such as momentum and trajectory, and actions such as pitching and batting.
A young explorer’s introduction to Florida’s Everglades National Park, covering its wetlands landscape, plants, animals such as West Indian manatees, and activities such as boating.
A look at a common food chain in the Rocky Mountains, introducing the ponderosa pine tree that starts the chain, the mountain lion that sits atop the chain, and various animals in between.
A helpful guide for understanding the mathematical concepts and real-world applications of measurements, including classroom tips, common terms such as volume, and exercises to encourage hands-on practice.
A narration of the origins, advancements, and future of the formal sciences, including mathematics and computer science, and the ways in which scientists utilize the scientific method to explore questions.
A narration of the origins, advancements, and future of the physical sciences, including chemistry and physics, and the ways in which scientists utilize the scientific method to explore questions.
A narration of the origins, advancements, and future of the life sciences, including botany and zoology, and the ways in which scientists utilize the scientific method to explore questions.
A narration of the origins, advancements, and future of the applied sciences, including engineering and medicine, and the ways in which scientists utilize the scientific method to explore questions.
A narration of the origins, advancements, and future of the earth and space sciences, including astronomy and geology, and the ways in which scientists utilize the scientific method to explore questions.
An in-depth look at the people and policies behind the government agency known as NASA, from its founding in 1958 to the controversies and challenges it faces today.
An exploration of Grand Teton National Park, including how its mountainous landscape was formed, its history of preservation, and tourist attractions such as the waterfall known as Hidden Falls.
An in-depth look at the people and policies behind the government agency known as the EPA, from its founding in 1970 to the controversies and challenges it faces today.
An exploration of Rocky Mountain National Park, including how its mountainous landscape was formed, its history of preservation, and tourist attractions such as the towering summit of Longs Peak.
An exploration of Big Bend National Park, including how its desert canyons were formed, its history of preservation, and tourist attractions such as the hiking route called Chimneys Trail.
An exploration of Badlands National Park, including how its carved landscape was formed, its history of preservation, and tourist attractions such as the rock formation known as the Badlands Wall.
An exploration of the life cycle and life span of penguins, using up-close photographs and step-by-step text to follow a penguin’s growth process from egg to chick to mature penguin.
A look at meerkats, including their habitats, physical characteristics such as their tails, behaviors, relationships with humans, and their stable status in the world today.
An exploration of the life cycle and life span of corn, using up-close photographs and step-by-step text to follow a corn plant’s growth process from seed to seedling to mature plant.
An exploration of the life cycle and life span of beans, using up-close photographs and step-by-step text to follow a bean’s growth process from seed to seedling to mature plant.
