News tagged with photoreceptors

Experts reveal why plants don't get sunburn

(PhysOrg.com) -- Experts at the University of Glasgow have discovered how plants know when to make their own sunscreen to protect themselves from the harmful rays of the sun. Scientists have speculated for decades that plants ...

dateApr 01, 2011 in Cell & Microbiology
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Evolutionary bestseller in image processing

The eye is not just a lens that takes pictures and converts them into electrical signals. As with all vertebrates, nerve cells in the human eye separate an image into different image channels once it has been projected onto ...

dateNov 10, 2010 in Neuroscience
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Red light regulates nectar secretion

Flowering plants produce nectar to attract insect pollinators. Some plant species, such as Lima bean, also secrete nectar from so-called extrafloral nectaries to attract ants which in turn fend off herbivores. Scientists ...

dateSep 27, 2010 in Plants & Animals
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