A new study published in the journal Nature Communications has shown that, despite not having a nervous system, plants send signals normally associated with animals when they encounter stress. Rosa californica in Irvine, CA. Image credit: Wintertanager J.T. Storey / CC BY-SA 3.0. “We’ve known for a long-time that the animal neurotransmitter GABA (gamma-aminobutyric acid) is produced by plants under stress, for example when they encounter drought,...
