In the Know

How strong is spider silk?

You see a complicated circular web that glows golden in the sunlight. A golden orb weaving spider has woven another masterpiece. You accidentally walk through it. The strands break and feel sticky. For a horsefly … Read more

In the Know

Sports Stars on the Move

Sports are played in different countries around the world. Some people play sports professionally. This means it is their job to play the sport. Professional players might move countries to play their sport. Some players … Read more

In the Know

Where on Earth Is Tokyo?

Tokyo is the capital of Japan and one of the most exciting cities in the world. More than 13 million people live in the city itself. Over 37 million people live in the larger Tokyo … Read more

a person holds their hand behind their ear
In the Know

Do Humans Have Ear Muscles?

Can you wiggle your ears? About one in five people can. New research shows that even if you can’t, you have ear muscles that automatically kick into action when you are straining to hear sounds. … Read more

In the Know

Celebrating 250 Years of America 

Fireworks! Parades! Red, white, and blue! What do these things make you think of? The United States of America’s birthday, of course!  America has a very big birthday coming up—its 250th birthday, to be exact. … Read more