How plants tell time
Plants can’t go to a fridge for a midnight snack, but a new University of Melbourne-led study shows they sense time at dusk to conserve energy made from the sun
The chemical that tells plants when it’s time to sleep
Ethylene, the hormone responsible for fruit ripening, also helps regulate plants' circadian rhythms, University of Melbourne research has found.
How sunflowers track the sun
An internal clock drives the daily dance of these plants, even though their movement was once put down to a mythological Greek love story.