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Traffic lights signal to cars and buses when to stop, slow and go. Much like traffic lights, plant cells send signals to each other to perform photosynthesis to grow or fight off destructive viruses ...

Human bodies defend themselves using a diverse population of immune cells that circulate from one organ to another, responding to everything from cuts to colds to cancer. But plants don't have this ...

WEST LAFAYETTE, Ind. — Leaves are the primary plant organs responsible for photosynthesis. Their size, shape and angles — all affected by cell patterning and growth — can also expose more of their ...