Blue light also reduced EEG activity associated with sleepiness, but the difference wasn't statistically significant.
Blue light suppresses production of a brain chemical called melatonin, which helps us fall sleep.
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But when Chalfie put it in bacteria and shined a blue light on them, they glowed.
Consumers ran through the aisles, knocking down anyone in their way when they saw a flashing blue light.
The county FBU said it had not been consulted on any "blue light partnership" and was seeking answers.
Its highlight is the Blue Grotto, a coastal cave filled with blue light.
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"It also confirms that Queen's receives more blue light ambulances than any other hospital in London, " she added.
In 2002, German researchers isolated one from green algae a class of proteins called channelrhodopsins that responded only to blue light.
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Then, if hit with blue light, it resets itself into its original state.
When a blue light is applied to the area, it activates the drug and shows any abnormal cells as red.
It's also unclear if the blue light seen atop the controller serves a function -- a stand-in for Move support, perhaps?
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He said it only affected "blue light" attendances during these hours, and walk-in patients would continue to be seen at Cheltenham 24-hours-a-day.
But he told me later that Earth's bright blue light was shining through the Eagle's telescope and into his eyes, keeping him awake.
With the "Coming home" function, the blue light begins to pulsate to indicate that the vehicle is ready and waiting for its driver.
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The second thing is that it needs to be properly organised and integrated with the blue light services, the police around these things.
Blue leather booths line the walls covered with Al Hirschfeld drawings, underneath dark wood molding contrasted with a modern splash of blue light at the ceiling's edge.
When the device is turned on, a blue light on the front will start flashing once you've managed to figure out the whole pairing thing.
But a clear, cloudless day-time sky is blue because molecules in the air scatter blue light from the sun more easily than they do red light.
Some business leaders, state officials and MPs are allowed to drive with a blue light on the roof, giving them the right to cut through traffic.
It will mean Charing Cross Hospital can still treat some emergency patients but the most complicated cases, including blue light emergencies, will go to other hospitals.
"I was standing outside having a bit of fresh air and as I turned round I saw this very bright blue light which was dimming, " he said.
These can be made to emit white light by coating the device with a phosphor compound that absorbs part of the blue light and re-emits it as yellow.
Instead of running complicated tests to see if they had managed to insert a gene into an organism, scientists could just shine a blue light and watch for the glow.
That comment exemplifies the struggle the discount chain, known for its "blue light" specials that sent shoppers scurrying down aisles for a limited-time bargain, has had to endure in modernising its image.
At sunset, the sun appears red (the blue light has been scattered out of that image, too), so the cells of the eye that detect red are overloaded and incapable of registering weaker red signals.
Many Russians, despite the financial chaos, are rich enough to pay a few thousand dollars for an officially sanctioned flashing blue light on their car roof, allowing them to carve through the traffic like a marauding Cossack.
By the time we get to the party, for which the Colosseum is bathed in blue light as a backdrop for wire-dancing acrobats dressed in Valentino red, the Felliniesque-ness of it all can bring tears to our eyes.
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