Emily Sohn
All Stories by Emily Sohn
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Health & MedicineSun screen
Too much exposure to the sun's ultraviolet rays can damage human skin. That's why doctors recommend people who will be outdoors for long hours in the summer sun protect their skin.
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FossilsAn Ancient Spider’s Web
The diets of some spiders haven't changed much in millions of years.
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EnvironmentPollution detective
A science fair project tackles contaminated drinking water and mosquito growth.
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AnimalsNot Slippery When Wet
A tree frog's specially designed feet allow it climb wet or dry slopes.
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AnimalsFirefly delight
Decoding firefly flashes unveils mating signals and other secrets of insect life.
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PlantsPumping up poison ivy
Boosting carbon dioxide levels makes poison ivy grow faster and become more toxic.
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TechExtra Strings for New Sounds
A new musical instrument strums like a guitar but rings like a bell.
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TechSnow Traps
A prize-winning science fair project focuses on how snow fences create snowdrifts and increase water supply.
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TechSqueezing Oil from Old Wells
Adding certain bacteria to oil wells may allow recovery of crude oil that pumps can't normally extract.
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AnimalsStaying Away from Sick Lobsters
Lobsters detect and shun potential roommates that are infected with a virus.