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Articles on Insect repellents

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A yellow citronella bucket candle is essential for summertime evenings to keep the mosquitos away. ARENA Creative/Shutterstock.com

Why plant-based mosquito repellents are so hard to design

Bug sprays with DEET feel oily and smell gross. That's why scientists are developing new mosquito repellents based on natural plant oils. But translating these into commercial products isn't easy.

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