The human eye long ago solved a problem common to both digital and film cameras: how to get good contrast in an image while also capturing faint detail.
May 3, 2011
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The eyes have a surprise.
Apr 30, 2020
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A team of researchers affiliated with several institutions in the U.S. has identified circadian rhythm patterns in human skin based on genetic biomarkers. In their paper published in Proceedings of the National Academy of ...
The swirling skies of Vincent Van Gogh's Starry Night illustrate a mystery that has eluded biologists for more than a century—why do we perceive the color blue in the dimly lit night sky? A newly discovered mechanism of ...
Apr 14, 2016
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On the road at night or on a tennis court at dusk, the eye can be deceived. Vision is not as sharp as in the light of day, and detecting a bicyclist on the road or a careening tennis ball can be tough.
Oct 17, 2012
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Chronic exposure to dim light at night can lead to depressive symptoms in rodents -- but these negative effects can be reversed simply by returning to a standard light-dark cycle, a new study suggests.
Jul 24, 2012
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All life on Earth is affected by the day-night cycle resulting from the planet's rotation. In line with this, humans are naturally awake during daylight hours, and sleep at night when it is dark. Being awake during the day ...
Jan 17, 2024
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Exposure to dim light at night, which is common in today's lifestyle, may contribute to the spread of breast cancer to the bones, researchers have shown for the first time in an animal study. Results of the study will be ...
Mar 23, 2019
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Tell your child or spouse what they can eat and not what they can't. Telling your child to eat an apple so they stay healthy will work better than telling them not to eat the cookie because it will make them fat. A new Cornell ...
May 27, 2015
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For rats bearing human breast tumors, exposure to dim light at night made the tumors resistant to the standard breast cancer chemotherapy doxorubicin, but giving the rats a melatonin supplement during the dim-light exposure ...
Oct 1, 2014
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