Call Of Duty Advanced Warfare Wallpaper News

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How it works

10 cool things we learned this month

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

the human body organs and systems

Your body is like a complex machine. Many parts make up your body and work to keep you going. Some parts, like your eyes and hands, are easy to see. Some parts, like your vocal cords, hide inside your body. When you hum, the vibrations you feel are your vocal cords at work. Some parts of the body are ... read more

the solar system

A solar system is a group of planets and one or more stars. Our solar system has just one gigantic star, the Sun. It also has eight planets and three dwarf planets. Many planets have their own moons. There are also thousands of asteroids, meteoroids, and comets. Gravity from our huge Sun holds the sol... read more

what is astronomy

Have you ever looked up in the sky and wondered what life would be like if you lived on Mars? Astronomy is the study of the universe, or outer space, and can help you find the answer to your question. ... read more

mating and reproduction in animals

Mating ... read more