Intermediate

Being sixteen means all kinds of freedom—driving on your own, going to the mall with friends, dating. But Dawn Rochelle can't feel free because of the fear that her cancer will return. Maybe… Read More →

A funny story about friends, sharing and most importantly: hats. I'll share my lollies, my dollies, my books and my brollies, my flippers and my slippers and I'll even share my kippers… but… Read More →

You just need the simplest everyday items to try these teasers and challenges—but they all stre-e-e-etch your powers of imagination and deduction! See how to... ● make objects appear and… Read More →

Twelve-year-old Shai hates everything about moving to America from Israel. She's determined to come up with a plan that will get her back home. Maybe she can go back with her grandparents… Read More →

Arnold doesn’t want to go to school without his whale! Luckily, his neighbor Dora is full of good ideas! This story about a boy and his whale helps young children learn to read with colorful… Read More →

A feel-good story about self-identity, growing up and family love. "It’s not fair," George said to his mom when she came back from chasing some hikers. "I'm still not yet a yeti." Everyone Read More →

In this hilarious sequel to Punctuation Takes a Vacation, the grammar focus is on nouns and verbs, and once again uproarious fun abounds. When Mr. Wright's class goes outside for Field Day,… Read More →

"History" sounds really official. Like it's all fact. Like it's definitely what happened. But that's not necessarily true. History was crafted by the people who recorded it. And sometimes,… Read More →

Robyn has sworn that she's over her ex, Nick. After all, he ditched town without a word to her. But when she hears he needs help, she's too curious about why he went missing to say no. Nick… Read More →

Tony has preferred to fly under the radar for most of his life. He doesn't even notice he's developed the ability to turn invisible until he walks into school the day after his sixteenth… Read More →

Can nuclear energy be a clean, green, and safe way to power our lives? Discover the answer to this critical question and find out how sustainability is being achieved through science as the… Read More →

Do you enjoy performing experiments or studying how the universe works? Growing up in China, Chien-Shiung Wu enjoyed learning about science. As an adult, she earned her PhD in physics and… Read More →

When Logan’s class takes a trip to a math museum, his mischievous friend Benedict is sure it will be a boring day—until he discovers a robot and its creator in an off-limits area. The robot… Read More →

We all need to use numbers in our lives every day, for counting and measuring and shopping. As well as being fun, playing games is a good way to get quicker at working with numbers. We can… Read More →

We all need to use numbers in our lives every day, for counting and measuring and shopping. As well as being fun, playing games is a good way to get quicker at working with numbers. We can… Read More →

We all use numbers every day at home and at school and at work. Are you good at counting and measuring? Can you read a graph or a map? What are some other ways we use numbers to help us? Read More →

Things have lined up perfectly for Kaita’s senior year at Hoops Academy. She’s the varsity team captain and finally gets to wear her lucky number. But her jersey keeps going missing. Soon… Read More →

Sophie Kowalevski was both a brilliant mathematician and a talented writer. Creative work nurtured her mathematical research, giving her a flexibility of thought she treasured. A wonderful… Read More →

The number of points on a starfish or on a snowflake, the number of moons in the night sky. Let's count how many surprises nature has all around us. Read More →

Two-thirds of adults and nearly one-third of children in the United States are overweight or obese. The rate of obesity in children and adolescents has reached epidemic proportions. USA… Read More →

Have you ever wondered why things drop to the ground instead of float or fly? Or how a heavy satellite can orbit Earth without crashing into it? From Copernicus and Kepler to Galileo and… Read More →

"Early intervention helps kids who need treatment," clarifies a headline in USA TODAY, the Nation's No. 1 Newspaper, in an article about obsessive-compulsive disorder (OCD). This… Read More →

Seals, otters, oysters, fish, pelicans, and sharks are a few of the animals that make up an ocean food web. But did you know that almost all ocean creatures depend on algae to live? Or that… Read More →