In my back, just below my ribs, on each side of my spine, are my kidneys. My kidneys are about half as big as my heart. They are shaped like beans. Kidneys do an important job for my body—they…
Would you like to dig up the skeleton of someone who lived thousands of years ago? Or explore the bottom of the ocean for treasure from sunken ships? Or do things to help people live better and be…
Many kinds of trees grow best where it is always hot and where they get lots of shower baths from the rain. These trees live together in forests in hot parts of the world where it rains heavily all…
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