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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

why are circles 360 degrees and not a round number

Circles have 360 degrees due to the Sumerians’ observations of the Sun’s motion across the sky. ... read more

teeth and venom

A fearsome part of every snake is its teeth. Here’s the lowdown on those serpentine pearly whites… ... read more

space exploration

Humans have always had a need to explore. In ancient times, people could study only the places where they lived. They could only wonder about the rest of the world and what might exist in the universe. Over the years, new technologies developed. With improved modes of transportation, we could explore ... read more

how can certain drugs cause weight gain

A number of prescription drugs are associated with weight gain. ... read more