Just as people can get sunburned, plants can also suffer from too much sunlight. To stay healthy, they use an internal "sun protection mechanism." Pierrick Bru, a Ph.D. student working with Alizée Malnoë at Umeå Plant Science Centre and Umeå University, has been studying a special component of this mechanism, called qH, and has found that it is quite adaptable.
Source:
phys.org