Now one team has trained a type of AI known as a graph neural network to predict what a compound will smell like to a person—rose, medicinal, earthy, and so on—based on the chemical features ...

In this file photo from June 21, 2019, the sun peaks past almonds growing on the branches of an almond tree in Modesto, Calif. Chlorpyrifos is a pesticide used on more than 80 food crops ...