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 ...

dateNov 04, 2009 in Plants & Animals
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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 ...

dateJul 26, 2009 in Neuroscience
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