An elementary exploration of giant short-faced bears, focusing on fossil evidence that helps explain how their long legs and wide snouts helped these beasts adapt to the last Ice Age.
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 high-interest inquiry into the possible existence of Scotland’s water-dwelling Loch Ness Monster, emphasizing reported sightings and stories as well as scientific investigations.
A basic exploration of the appearance, behavior, and habitat of raccoons, the ring-tailed North American mammals. Also included is a story from folklore explaining why raccoons have masked faces.
A basic exploration of the appearance, behavior, and habitat of meerkats, the African mammals that live in mobs. Also included is a story from folklore explaining why meerkats are always on the lookout.
A basic exploration of the appearance, behavior, and habitat of storks, Earth’s big wading birds. Also included is a story from folklore explaining why marabou storks have featherless heads.
A basic exploration of the appearance, behavior, and habitat of iguanas, the North and South American dewlapped reptiles. Also included is a story from folklore explaining why iguanas live in trees.
A basic exploration of the appearance, behavior, and habitat of bighorn sheep, the wild sheep of North America. Also included is a story from folklore explaining how the animals got their curly horns.
A basic exploration of the appearance, behavior, and habitat of jellyfish, the bell-shaped, oceanic invertebrates. Also included is a story from folklore explaining why jellyfish have squishy bodies.
A basic exploration of the appearance, behavior, and habitat of crabs, the widespread shelled crustaceans. Also included is a story from folklore explaining why crabs look as though they are headless.
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 high-interest introduction to the size, speed, and purpose of one of the world’s largest passenger ships, including a brief history and what the future holds for the Oasis of the Seas.
A high-interest introduction to the size, speed, and purpose of the world’s largest helicopter, including a brief history and what the future holds for the Mil Mi-26.
A high-interest introduction to the size, speed, and purpose of one of the world’s largest mobile machines, including a brief history and what the future holds for the Overburden Conveyor Bridge F60.
A high-interest introduction to the size, speed, and purpose of the world’s largest cargo plane, including a brief history and what the future holds for the Antonov An-225.
A high-interest introduction to the life cycle of robins, including how fledglings develop, their varied diet, threats from predators, and the treetop habitats of these backyard animals.
A high-interest introduction to the life cycle of squirrels, including how kits develop, their plant-based diet, threats from predators, and the sturdy, nested habitats of these backyard animals.
A high-interest introduction to the size, speed, and purpose of one of the world’s largest excavators, including a brief history and what the future holds for the Krupp Digging Machine.
A high-interest introduction to the size, speed, and purpose of one of the world’s largest aircraft carriers, including a brief history and what the future holds for the Nimitz Aircraft Carrier.
A high-interest introduction to the life cycle of frogs, including how tadpoles develop, their insect diet, threats from predators, and the wet habitats of these backyard animals.
A high-interest introduction to the life cycle of moles, including how pups develop, their varied diet, threats from predators, and the underground habitats of these backyard animals.
A high-interest introduction to the life cycle of chipmunks, including how pups develop, their plant-based diet, threats from predators, and the burrowed habitats of these backyard animals.