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where did the sand in the sahara desert come from

The sand in the Sahara is a result of rock erosion and weathering. ... read more

people who study animals

There are many things about animals that can be studied. We study their anatomy, their behavior, and how they live in the wild. We also learn more about our own bodies, behavior, and development when we look at other animals. We study how animal life can have an affect on humans and how humans can hav... read more

how does a calculator work

Calculators translate numbers into binary code to come up with an answer. ... read more

10 cool things we learned this month

1. Primates like to get tipsy ... read more

the parts of the earth

When studying the Earth, scientists look at the surface of the Earth and the parts that are above and below it. The atmosphere is a part above the surface while the core is a part below the surface. All of Earth’s parts work together to make life possible. The Earth’s Layers Earth is a terrestrial... read more