News tagged with photoreceptors

Plentiful poinsettias without PGRs

Poinsettias can be a lucrative crop for ornamental plant growers, particularly during the Christmas season. In the temperate regions of the southern hemisphere, where poinsettias are grown for both export ...

Nov 04, 2009
5 / 5 (1) 0

An 'eye catching' vision discovery

Nearly all species have some ability to detect light. At least three types of cells in the retina allow us to see images or distinguish between night and day. Now, researchers at the Johns Hopkins School of ...

Jul 26, 2009
4.4 / 5 (11) 0