Here you will find the latest topical and news stories in the world of Science.
What Is Nitrogen Dioxide? You can’t see nitrogen dioxide. It’s a gas made by cars, trucks, buses, power plants, and factories. Too much nitrogen dioxide causes smog and acid rain. It can make people sick, too. Nitrogen dioxide is partly to blame for … Read more
A laser is a thin, powerful beam of light. Lasers use mirrors to focus light energy. People use lasers every day. You may even have a laser at home. A DVD player uses a laser to read the information on … Read more
Earth is worth celebrating. It’s the only planet we can call home! Earth is not too hot and not too cold. One thing that keeps Earth from getting too cold is its atmosphere [layer of … Read more
What you eat matters. Every food choice you make can even help fight climate change. Researchers at Johns Hopkins University analyzed 140 diets across the world. They concluded that all the diets contributed to climate … Read more
Look around you. Everything you see was invented by someone! Inventors follow a process much like the engineering design process you use in science class. Engineers and inventors start by identifying a problem. Then they … Read more
It’s March! This means you might be getting ready to change the time on your clocks. This is to follow daylight saving time. The clocks are set one hour ahead in March. This is to … Read more
What Is a Heart? Place your hand on the left side of your chest. Do you feel anything? Try again after exercising. Do you feel it now? That’s your heart! Your heart is a muscle. … Read more
You probably know February is Black History Month. But how did it start? A historian realized he did not learn about many African Americans in school. So, in 1926, he started a one-week celebration. He … Read more
Will it snow tomorrow? Will school be canceled? Everyone wants to know about the weather. Good news! Weather predictions are only getting better. Weather predictions are getting better because tools are getting better. Weather forecasters … Read more
Bundle up! It’s time to explore the ice caves of the Apostle Islands. These caves are located along the shore of Lake Superior in Wisconsin. What can you see in the ice caves? Lots of … Read more
©2017 McGraw-Hill Education. All Rights Reserved.
