When plants face stress, they activate a signaling cascade involving multiple molecules like hydrogen peroxide and plant hormones such as salicylic acid, leading to resistance or stress adaptation. It ...

Dear EarthTalk: Is it true that plants communicate by sending chemical signals through the air? -- Melissa, via email Recent research reveals that plants, despite lacking brains or nervous systems, ...

New research has found when plant leaves physically touch each other, they seem to form a biological signalling network to warn each other about the upcoming stress. This can boost their resilience to ...

For a plant growing on the forest floor, a beam of light from an opening canopy can be concerning. But new research suggests that plants growing together may be able to warn each other about such ...

Can trees tell when they are being eaten? Discover how trees sense insect attacks, defend themselves and play a vital role in nature’s food chain.