A new study has identified a scent receptor in mosquitoes that helps them sniff out and avoid trace amounts of pyrethrum, a plant extract used for centuries to repel biting insects. These findings ...

What these two scientists are independently trying to do with the plant in question, Chrysanthemum cinerariaefolium, commonly known as pyrethrum, is to eventually grow large enough quantities of this ...

Ever since DDT came out of the laboratory two years ago, chemists have been trying to improve on the “wonder killer.” Last week a Britisher announced his entry: “Activated DDT,” a concoction of ...

After thousands of scientific tests and trials, pyrethrum has met or bettered government safety standards and it's currently considered safe for organic farming. But keeping the northern ...

We are at a critical time and supporting climate journalism is more important than ever. Science News and our parent organization, the Society for Science, need your help to strengthen environmental ...

A research team has elucidated the biosynthetic pathways of pyrethrum (Tanacetum cinerariifolium), identifying key genes responsible for pyrethrin production. These findings highlight pyrethrum's ...

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Berkeley -- A relatively benign compound contained in a widely used group of insecticides can mix with and increase the toxicity of existing pesticides in the environment, according to a new study led ...