News tagged with night time

What is time – and why does it move forward?

Imagine time running backwards. People would grow younger instead of older and, after a long life of gradual rejuvenation – unlearning everything they know – they would end as a twinkle in their parents' eyes. That's ...

dateFeb 23, 2016 in General Physics
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Space Image: The Italian Boot

(Phys.org)—This oblique, night time panorama of much of Europe was photographed by one of the Expedition 32 crew members aboard the International Space Station flying approximately 240 miles above the Mediterranean Sea ...

dateSep 07, 2012 in Space Exploration
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Study shines light on night-time alertness

The circadian system is not the only pathway involved in determining alertness at night. Research described in the open access journal BMC Neuroscience showed that red light, which does not stimulate the circadian system, ...

dateAug 26, 2009 in Neuroscience
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