Circadian clocks control physiological processes and behavior in virtually all living organisms. Now an international research team has created a detailed map of the internal clock in the brain of the ...

An internal circadian clock controls the distinctive concentric rings of flowering in sunflowers, maximizing visits from pollinators, a new study from plant biologists shows. An internal circadian ...

The plant growth hormone auxin is controlled by circadian rhythms within the plant, UC Davis researchers have found. The discovery explains how plants can time their growth to take advantage of ...

COLUMBUS, Ohio – New research identifies the molecular mechanisms that keep a plant's circadian clock running on a 24-hour schedule. The study, reported this week in the journal Nature, is the first ...