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Ancient DNA preserved in the tooth tartar of human fossils encodes microbial metabolites that could be the next antibiotic. Werner/Siemens Foundation

Reconstructing ancient bacterial genomes can revive previously unknown molecules – offering a potential source for new antibiotics

Ancient microbes likely produced natural products their descendants today do not. Tapping into this lost chemical diversity could offer a potential source of new drugs.
Several thousand protestors opposed to the COVID-19 vaccine march through the streets of midtown Manhattan in New York on Sept. 18, 2021. Andrew Lichtenstein/Corbis News via Getty Images

Can healthy people who eat right and exercise skip the COVID-19 vaccine? A research scientist and fitness enthusiast explains why the answer is no

A growing body of research shows that nutrition, sleep, exercise and a host of other lifestyle choices can help optimize the immune system. But they are no substitute for life-saving vaccines.
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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