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Researchers have developed sensors using carbon nanotubes to detect plant signaling molecules like hydrogen peroxide and salicylic acid. These sensors could serve as an early warning system for farmers, detecting stresses like heat, light, insect attacks, or bacterial infections in…

New study explores forests that experience "cold-airpooling," a phenomenon where cold air at higher elevations drains down into lower-lying valleys, reversing the expected temperatures—warm at the bottom, cold at the top—that typically occurs in mountainous areas. That is, the air temperature drops with…

Plants with multiple sets of chromosomes have advantages over their relatives with a double set. But why they often start out infertile was only partially understood. Biologists have now discovered a new reason for the initial difficulties.