Exploring the Link Between Nutation and Plant Circadian Rhythms
Plants don’t just sway in the wind; many also trace tiny, rhythmic ellipses with their growing tips every few minutes to hours. These spiral oscillations—called nutations—are so subtle that time-lapse photography is usually needed to see them, yet they synchronize with the same 24-hour biological clock that governs leaf movements, gene expression, and stomatal opening….