Technologys Child

Galileo used his telescope to discover new and marvelous mysteries in the night sky!

All most people talk only about the Fibonacci Sequence, the simplest one to calculate...but people rarely go deeper than that, so Gene Grossman decided to - and has done with this Fibonacci book the same thing he did with the popular books he wrote entitled Celestial Navigation for the Complete Idiot and Trigonometry for the Complete Idiot: He wrote plain-English explanations that even kids above the age of eight should be able to easily follow - and explain to their parents.... And it goes the other way, too.

Have you ever wondered what it was like to live without electricity? Before the invention of the light bulb, people had to find ways to live and work around nighttime and darkness. From different sleep schedules to making candles, people found different routines to help illuminate the darkness they experienced each night. Would you have been able to live during this “dark” time in history?

Have you ever been sick with strep throat? It's an illness caused by bacteria that gives you a painful sore throat! Learn how doctors can diagnose it by your symptoms and a test, and how medicine can cure strep throat so you can get better. Be sure to take all of the medicine until its gone if you have strep. You might even impress your doctor on your next visit with your new knowledge!

Germs are everywhere and make your body sick. Never fear–the body is a germ-fighting machine designed to fight these intruders and keep you healthy. If you get a cut, blood clumps together to stop bleeding. Mucus, the sticky goo in your nose, catches germs to help you sneeze them out. Eyelashes and eyelids form tears that block some germs! Discover ways the body fights to keep germs out.

An article that describes the Apollo 11 Moon landing mission in July 1969.

What is a space archaeologist? After decades of leaving behind old pieces of equipment orbiting in space, scientists want to clean it up. An archaeologist determines what is important to save for the history of human space exploration. Learn about new efforts to identify and even retrieve old space equipment! How should scientists determine what should be preserved or what is junk?

How are balloons able to float? Is it magic–or is it one of earth’s elements, like iron or oxygen experiencing an explosive charge? Helium is formed when unstable atoms collide. Helium is found underground with other gases, like methane, which is the main ingredient in natural gas used to heat our homes! Learn how helium was born, and how exploding stars helped create a gas lighter than air!

Your senses are an amazing part of the human body. They allow you to see, smell, hear, and taste things! Did you know you can trick them? Learn about the different optical illusions that will make your senses go wild!

While Lydia and Ryan play hide-and-seek, they find animals that seem to disappear before their eyes! Learn about camouflage and the cool way it helps animals—and people, too!—blend into their surroundings. Will Ryan be able to find Lydia after she camouflages herself?

How do scientists figure out about new animals and plants? They have to use evidence! Using scientific evidence, they can learn that monsters might not always be what they seem. See how scientists used science to identify and debunk some unknown "monsters."

After a wizard, a witch, and a goblin all fail to transform a frog with their magic wands, two scientists need to explain the rules of reality. While you can't actually turn frogs into diamonds, there are plenty of magical things that science can do!

What would you give for a bucket of pee? You might be surprised—pee is full of useful stuff! It’s had a lot of uses throughout history. See how people have used urine for important aspects of life— including cleaning your clothes and brushing your teeth!

In ancient China, an alchemist mixed an exploding medicine and accidentally invented gunpowder. Learn about the development of gunpowder and other explosives, like nitroglycerin and dynamite, in this fun feature.

What animal makes the best pet? A tiger? A grizzly bear? A T-Rex? A killer whale? Or a puppy? Learn why all but one of these animals make great pets and all the things you need to do to properly care for your special pet!

Have you ever wondered why you get grossed out by different things? Everyone has had that feeling in their stomach when they are grossed out. Sometimes it can give you a stomachache or it can even make you get sick! Both people and animals can get disgusted by a wide range of things. Do you know why you feel this way at times? Well, this story can help you learn how these feelings are a response that allows you to stay healthy and keep germs out of your body!

Did you know that humans are actually pretty slimy? Slide into the wonderful world of slippery, sticky slime! Learn about the important functions of slime, and how it is necessary for most living organisms. Slime helps with many important functions including eating, breathing, moving, and self-defense. Learn how many animals depend on slime—the number may surprise you!

If you take a hike on a warm summer day, you'll see bees collecting nectar, foxes feasting on fruits and berries, and more! Learn about what animals do in the summer to get ready for the long winter ahead.

Have you ever wondered what happens to your food when you drop it on the ground? Do you ever wonder why your toy doesn’t break when it falls to the ground? This story helps you learn about the different experiments that scientists have conducted over the last few decades to see what happens when something is dropped! From raindrops to pennies, this story answers any questions you might have about dropping things. You will finally be able to answer the question of whether the "5-second rule" really works!

Have you ever looked into the night sky and wished that you could walk on the Moon? Find about what it is like from the astronauts that were first to do it! Learn about how Neil Armstrong, Edwin Aldrin, and Michael Collins traveled into space and created history in 1969, and what it was like to take those famous first steps that made “one giant leap for mankind."