I saw a robin build a nest. The robin did not have to learn how to build a nest. It knew from the time it was born. This knowing is called instinct. Even if a robin never saw a nest, it would make...
Counting like a computer
When you see a 1 and 0 together, you would say they stand for ten. But to a computer, they stand for two! We count with ten numerals---0, 1, 2, 3, 4, 5, 6, 7, 8, 9. But a computer uses only two, 1...
Stop at ten
Before people began to count, they probably had no name for any number but one. Suppose a hunter wanted to tell about a small herd of four to six deer he had seen. He might just say it was a "hand"...
Three Little Kittens
Three little kittens they lost their mittens, And they began to cry, "Oh, mother dear, We sadly fear Our mittens we have lost." "What! lost your mittens, you naughty kittens! Then you shall have no...