Why Do We Grow Old?
Why Do We Grow Old? Scientists have evolved three main theories to explain why we grow old. The first concerns the loss of cells or of irreplaceable parts. Brain cells...
Read More
What Is Foster Care and Why Is It Necessary?
What Is Foster Care and Why Is It Necessary? The word “foster” means helping someone grow and develop. In the United States, the foster care system seeks to...
Read More
How Do Bananas Grow?
How Do Bananas Grow? Bananas grow on tall plants that are often called trees. But they are not real trees, because they don’t have a woody trunk. What looks like...
Read More
How Do Green Tomatoes on the Vine Turn Red When Ripe?
How Do Green Tomatoes on the Vine Turn Red When Ripe? When tomatoes are growing on the vine, they’re not bright red like they are when they’re ripe and...
Read More
How Does a Seed Become a Tree?
How Does a Seed Become a Tree? Inside a tree seed are the beginnings of the root, trunk, and leaves of a fully grown tree. They form the part of a seed called the...
Read More