It was dark as night during the recent total solar eclipse, yet people and objects were easier to see than on a typical moonless night. Scientists have discovered a possible biological explanation – the presence (or absence) of a protein in the retina known as a GABA receptor.
from Top Health News – ScienceDaily http://bit.ly/2eKVAyi
from Tumblr http://bit.ly/2eKw5gQ
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