A fascinating look at poisonous animals of every size, shape, and variety. Seymour Simon brings his...

Seymour Simon keeps up a lively pace with these educational and entertaining science question-and...

Why is it important tochew your food? Can you guess how long it takes for food to travel through...

Don't move a muscle--read all about them! Did you know that... Without muscles you couldn't blink...

By the time you finish reading these words, your heart may have beaten up to 50 times. As you walk...