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Grades 9-12 Learn about the cause of sunburns, in this video from NOVA’s Gross Science series. Sunlight is made up of many ...

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For her 6th grade honors class, math teacher Ana Sepúlveda wanted to make geometry fun. She figured her students “who live and breathe soccer” would ... educators use them to help write quizzes and ...

Jason advised Live Science on choosing exercise equipment if you have never exercised before, and which cardio machine is best for individuals with poor posture and limited mobility.