AI Spots Thirsty Crops Before They Ever Wilt

Plants usually tell you they are struggling only after the damage is already done, which is a rough way to run a farm or a space greenhouse. Reading light bouncing off a leaf in wavelengths humans cannot see turns an invisible problem into an early warning system. It is a small, unglamorous kind of AI story, but catching stress five days sooner could mean the difference between a saved crop and a lost one, on Earth or on Mars.