Resultados narrador por "David Armstrong" en Todas las categorias

Alekos wants to be a mighty Greek soldier like Achilles! Despite being too small to fight, he stows away on a military ship. When an opportunity to ask his hero how to learn bravery and be a fierce warrior arises, will he be brave enough to take it?

Dani is afraid of the Ndiyamasi! Ever since he heard his grandmother’s stories about the hairy monster with two mouths, he can’t think of anything else. His brother, Esto, cruelly teases him about it. After a scary walk home alone, will Dani be able to get back at Esto and make him just as afraid of the Ndiyamasi as Dani is?

Have you ever wondered what living in space would be like? Meet the Kellys who are identical twins and both astronauts for NASA. With one brother in space and the other on Earth, they are an experiment to learn how human bodies that share the same DNA are affected by living in space for a long time. What do you think NASA can learn from this twin science study?

Jeff is sick of the monster that hides in his room at night. To get rid of the monster, he comes up with a plan—he is going to scare him away! Will Jeff be able to trick the monster into leaving? Why is the monster in his room in the first place?

When a young boy’s hunger gets the best of him, he must conquer the Hungry Monster before he eats all the food in the cafeteria! Will the boy be able to get his monstrous hunger under control before he eats his best friend, too?

What does a light bulb require to burn bright? What happens when a light bulb burns out? Discover how filament, made of one of the heaviest metals, a mixture of two gases, a 60-watt light bulb, and electric currents make this bright idea more than just a bright light! The amazing science behind the light bulb awaits you!

Do you know how the first pizza was made? Learn how ancient civilizations started to make the first pizza—baked flat bread! See how pizza ingredients like cheese and tomatoes were discovered throughout history. Find out how pizza has become a worldwide favorite food.

Can you name a real spy from history? Meet Julius and Ethel Rosenberg, who were communist spies for the Soviet Union during the Cold War. Learn about their work on the Manhattan Project to build an atomic bomb for the US, and their eventual trial for espionage. Do you think these historical spies were guilty for sharing secrets with the Soviets?

Henry is a special boy—he only speaks in rhyme. After becoming friends with a cygnet left behind by its parents, Henry learns he can communicate with swans! How will this animal friendship help Henry's learning development to communicate better with his family and friends?

Do you know why monsters always glow in your favorite science fiction stories? Well, real-life science and physics can explain why this happens! Learn how radiation, atoms, and the sonic boom interact with one another to create this mysterious blue glow named, Cerenkov radiation, by particle physicists. Science fiction can sometimes become reality!

Will is helping his family at the printing shop! He gets to help print book pages and make book covers. Follow along with Will and his father to observe the long process of book-making in 1794, and all of the materials they use to make ink and paper. How are cochineal beetles used in the production of ink? How do you think book-making has changed throughout history?

Mustafa just moved from Turkey to the U.S. He is excited to make new friends and learn about his new home. On his first day of school, Mustafa is bullied by another student because of his differences. How will a game of soccer, or football, help him prove himself?

Tom loves to build rockets and has never lost a competition. He spends all his time trying to win instead of having fun and making friends. After spending the day watching the other children struggle to launch their rockets, Tom must make a decision—win or help the other kids.

Everyone knows Benjamin Franklin as part of American history. As one of the founding fathers, he is a fundamental part of our history—but he was once a kid, just like you! Learn what he was like as a child and how his childhood included hard work, listening to others, writing and reading—all helped him become one of the most influential men we learn about in school.

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?

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.

Do you know what kinds of food astronauts eat and drink while on a space mission? Learn how NASA prepares, dries and packages different food so it lasts for the journey! Find out the different ways that astronauts cook and eat in space which has zero gravity so it doesn't float away. Discover how astronauts use a very different kind of bathroom toilet and what happens to human waste in space.

Take a ride on a rover with NASA as they explore the planet Mars. Learn how NASA explores Mars for evidence of life especially the existence of water. Scientists believe that life depends on water. Is it possible that Mars had life and why is it so different from Earth? Discover the tools, equipment and methods scientists use to uncover rock, water, and fossils to test as evidence of life.

Leo is not happy about his brother’s new pet, Wrinkles. Wrinkles isn’t like any other pet—he’s an alien! Leo wishes Wrinkles would just go back to his real family so he doesn't have to take care of him. Everything gets worse when Wrinkles starts telepathically communicating with them! Will Leo be able to learn how to live with this strange creature?

Have you heard of the spidernauts? These two special jumping spiders were sent to space for a special mission—to see how they would adapt to microgravity. Would the spiders still be able to hunt for their food for their survival or would they starve? Learn how this experiment with insects was important to understanding microgravity and its effects on the human body!