Showing results by narrator "David Armstrong" in All Categories

Did you hear? Pluto is not considered to be a planet anymore—but don’t worry, astronomists used scientific evidence to prove Pluto's demotion. Learn about the scientific method and how it allows scientists to reevaluate theories as new evidence emerges. What do you think Pluto should be classified as? Planet or Dwarf Planet?

It’s Spot’s first day out in the yard and she’s very excited that she’ll laying her eggs! Spot has lots of friends like Chuck the Duck and Sandman the rooster. They all love to eat cracked corn! When will Spot be ready to lay her first egg? What other friends can you find on the farm?

Arion is a famous musician in ancient Greek mythology. He loves to travel across Rome and Greece to play his music. While trying to sail home, he is robbed by a group of pirates! Fearing death, he escapes by jumping into the ocean.

It’s 1871 and prospectors are flooding California to mine for gold. When two strange men show up with bags of gemstones, everyone is ready to start mining for diamonds. What happens when no one can find the secretive field of gems? Is it all just a hoax? How will geology help miners find diamonds?

Do you know how your ears can hear? Did you know they’re responsible for other things, too? For one thing, they keep you balanced on your feet! Learn about the anatomy of your ear and how its structure allows you to hear all the different noises you experience every day.

Jaime is excited to be taking care of his classroom pet—Sid the corn snake! When he brings his new friend home from school, his mother is not happy. Jaime teaches his mother about corn snakes and why they make great pets!

Nick is afraid of sharks. He'd much rather spend his time safely on the beach than in the water with sharks! To help Nick get over his fear, his sister takes him to an aquarium. Will this special trip help him learn that sharks aren't scary?

Nick and his family adopted a kitten! There is only one problem—they cannot agree on a name. The family must come together to find the perfect one for their new pet. Everyone thinks they have the perfect name! How will they be able to decide?

Prince Ranbir is not very wise. No matter what scholar his father brings to teach him, he never seems to learn. To help him gain more knowledge, the king sends his son on a journey through India. Will Ranbir’s adventures help him gain the knowledge and wisdom he needs to become a good monarch?

Watch out! Some animals make it clear for others to stay away by how they protect themselves. Other animals have more subtle ways of defending themselves. Find out how different animals use their bodies and behaviors in order to survive.

What should you expect if you want to become one of the first inhabitants of a Martian colony? Humans have never lived on Mars so they will have many challenges to overcome in order to successfully stay there. Learn what the future lives of new Martians will be like and understand the obstacles they will need to overcome in order to build a new Martian society.

Have you ever wondered how a penny or dime is made? Coins are made from metal in factories called mints. First, an artist draws a picture of the coin, next clay is used to make a mold made from plastic. Then a machine engraves and designs a piece of metal–these metal pieces will be used to make stamps called dies. In the United States, there are only four factories–can you guess where?

Have you ever had an electrical power outage at home? In 2003, the largest blackout in United States history left millions of people without power for days! Learn how power generation plants are connected to the power grid that distributes electricity to regions of the country and to homes. What causes power outages? How does losing power affect daily life? What can people do to conserve energy?

What happens when the trash you throw out is picked up by the garbage truck? Where does it go? Once the garbage truck picks up the trash in your neighborhood, it goes on a journey to be broken down. A recycling truck might pick it up and make new things or it may be used for a compost heap, or maybe it goes to a landfill where it’s covered with dirt. Find out what happens when a landfill is full!

When covert operative Zara Kane returns from years of exile, she expects silence—not a message about the one thing she can’t ignore. Her former unit, known only as The Disappearing Team , has vanished without a trace. No logs. No orders. No record they ever existed. Someone has erased them. Zara follows the trail into the city’s underground networks, where secrets are currency and loyalty is disposable. What she discovers is a classified operation called Nightfall , approved by the Directive Leader—a man who believes missions are successful only when no one knows they happened.

This exciting collaborative by the Private Eye Writers of America and Sisters in Crime contains short stories by well-known mystery writers including Sara Paretsky and Sue Grafton. The stories are presented in pairs, each linked to the other by a common theme or topic.

Native American tribes from the Northwest Coast learned to use the wood of cedar trees for many of their daily needs. Tribes used recycling to conserve resources hundreds of years ago. Pounding bark until it was fluffy to make diapers and with special thin branches called withes, cedar trees were soaked and used to make rope. What special technique did tribes use to take down big cedar trees?

Take flight and discover the corvid family of birds that boasts an intelligence that is comparable to the human brain. Ravens' anatomy, like humans, have big brains that makes them great problem-solvers in finding creative ways to survive as scavengers. What other birds are covids? Learn about the theory of convergent evolution and how it applies to humans and ravens' brains!

Austin is a distinguished Bostonian with a WASP pedigree, an unbeatable squash game, and a frightening secret. After he meets up with his old flame Ruth, they begin a comic and painful voyage of self-discovery.

What Black and White People Must Do Now explores the complexity of race and culture in the United States. In his third book, renowned conservative entrepreneur, author, and philanthropist Armstrong Williams discusses his prescription for healing and atonement amidst today’s current social upheaval. Race and racism are America's original sin, and 400 years later, they still plague the nation, pitting groups against each other.