What's crazy about these creatures? The red lionfish has fins that look like a lion's mane. The whitemargin stargazer discharges an electric shock. The bluestreak cleaner wrasse is the… More →

What's crazy about these creatures? The purple frog lives almost its whole life underground. The wood frog's heart stops beating in winter. The Argentine horned frog is also known as the… More →

What's crazy about these creatures? The Komodo dragon can eat a whole deer. The thorny devil is covered in spikes. The green crested basilisk can run on water. Read about the coolest lizards… More →

What's crazy about these creatures? Capybaras can sleep in the water. The duck-billed platypus has venom-filled spurs. Colugos can glide from treetop to treetop. Read about the coolest… More →

Rocks and minerals are all around us, but they're not all the same. Discover crystals and find out how they form, what makes them unique, and how we use them. Explore some captivating… More →

It is no ordinary baby who climbs out of a cradle and starts walking the day he is born. Davy was larger than other children, and he was stronger, too. So strong that he could throw gators… More →

What can you find in the desert? What plants and animals live there? Explore the fascinating desert biome and find out why it is so important to life on our planet. Comprehension Questions… More →

Soil isn't just dirt. It is an ecosystem that supports all life on Earth. Learn what makes it special and practice reading words with the special vowel teams of oi and oy. More →

How do Americans state what they believe in, how their representative government works, and more? By writing it down! Investigate great documents that have shaped United States history. Read… More →

Early readers will be introduced to dogs through simple text and vibrant images to aid comprehension. Learn all about these lovable pets. List of Sight Words. Includes a support page of… More →