Nonfiction Science

Let's talk about periods, your menstrual cycle - whatever you call yours, and however you feel about it, you know that you're stuck with it for around 40 years! So you want to make the best of those years, right? This book will help you by showing you how conventional feminine sanitary products are not always the best choices for your health and the environment. Did you know that each sanitary pad uses the equivalent of four plastic bags? There are many sustainable alternatives....

In a time when people believed flying was impossible, Joseph and Etienne Montgolfier proved that the sky wasn’t the limit. When most thought horseback was the only way to race, Bertha and Karl Benz fired up their engines. From the invention of the bicycle and the passenger steam locomotive to the first liquid-fuel propelled rocket and industrial robot, inventors across the world have redefined travel. Informative and celebratory, this collective biography tells the story of the experiments, failures, and successes of visionaries who changed the way the world moves.

In May 1869, the U.S. railroad network unified when the Central Pacific and Union Pacific railroads came together in Promontory, Utah. The Transcontinental Railroad: The Gateway to the West discusses this important milestone in the expansion of the United States and its impact on the nation, both positive and negative. This book tells how the east-west railroad played an integral role in opening western markets to the residents of the eastern United States, but it also examines how the railroad led to the demise of many American Indian groups in the West.

Australia is home to some of the most unusual animals in the world. Did you know, millions of years ago, all the continents were clumped into one large landmass? When the continents began to break away, South America, Antarctica, and Australia were still stuck together. Later, South America connected to North America, but Australia separated. It kept evolving in isolation, which is why the animals of Australia can look very different from animals anywhere else in the world.

Karl is an Abyssinian ground hornbill with a special challenge. His lower bill had broken off and made eating difficult. Karl did a great job of adapting and finding new ways to eat, but he wasn't getting all the food he needed. His zookeepers at the National Zoo and friends at the Smithsonian Institute wanted to help. Could an old bird skeleton and a 3D printer give Karl a new beak? Karl's new adventure was about to begin!

What do you know about jellyfish? Beginning listeners will get their feet wet with these literacy-building introductions to ocean animals.

What do you know about starfish? Beginning listeners will get their feet wet with these literacy-building introductions to ocean animals.

How did the colonists of Jamestown and Maryland live and die? Forensic anthropology provides an incredible array of answers. Scientists can look into a grave and determine the skeleton's gender, age at time of death, nationality, and sometimes even economic standing within minutes. Laboratory studies can provide cause of death information.

Did you know that gorillas’ massive arms are strong enough to tear down trees and bend iron bars? How about that, even so, gorillas can be tender friends and gentle, loving parents? Or that gorillas are ticklish? Perfect for all animal lovers—and gorilla fans in particular—this book is filled with all the facts you need to know to become a gorilla expert!

Did you know that a polar bear's fur looks white only because it reflects the light around it, and that its skin is jet-black underneath? How about that a polar bear can swim constantly for days at a time? Or that male polar bears can weigh as much as ten men? Perfect for all animal lovers—and polar bear fans in particular—this audiobook is filled with all the facts you need to know to become a polar bear expert!

You're probably familiar with many of the common categories scientists use for animals: warm-blooded or cold-blooded, nocturnal or diurnal. But what about the animals that don't fit in? Sharks cannot be classified as warm or cold-blooded—they are somewhere in-between. And Eurasian eagle owls don't hunt during the day or night. Instead, they swoop through the trees at dawn and dusk. Author and science educator Jessica Fries-Gaither introduces eight common categories scientists use and the animals that break those rules.

Jackals will eat almost anything. On the African savanna, they will even steal food from much bigger animals, like lions. Learn more about the lives of jackals.

Prepare to be inspired with this fantastically great new series for young listeners from best-selling author Kate Pankhurst, descendent of suffragette Emmeline Pankhurst. In this first book, hear the true stories of amazing scientists and discover things that are out of this world...

An essay that presents theories of time and healing.

Beep! Beep! Here comes a dump truck! Young students can learn basic facts about these load-bearing machines through simple text to support listeners who are just starting out.

Owls are one of the world's top predators. These stealthy hunters can fly nearly silently, see long distances, and easily hear prey. Discover the hunting behaviors of owls and see how they train their owlets.

What do you know about rays? Beginning listeners will get their feet wet with these literacy-building introductions to ocean animals.

Butterflies soar in the sunlight. While moths flutter under the moon and stars. Find out more about these mysterious and majestic insects similarities and differences, and their awestriking metamorphosis!

Lions are deadly predators. Their size, keen eyesight, and razor-sharp teeth and claws help them take down prey. Find out how lions hunt, interact with other lions in their pride, and raise their young.

Crocodiles are near the top of the food chain. They have keen senses that make them excellent hunters. Listeners will learn all about them, from how they find prey to how they train their young.