In dim light a cat sees much better than you do, as do dogs and nocturnal animals. That's because the structure of a cat's eye has a tapetum lucidum, a mirror-like layer immediately behind the retina. Light entering the eye ...
Results from a new study published in the Journal of Applied Ecology indicate that dim light pollution may have detrimental effects on insect populations and may explain part of the ongoing, large-scale insect declines around ...
Ecology
Apr 19, 2023
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Larger bumblebees are more likely to go out foraging in the low light of dawn, new research shows.
Plants & Animals
May 5, 2021
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How mammals perceive light changes between night and day. Researchers at Aalto University and the University of Helsinki discovered that mice were better at finding a dim light in pitch-darkness in experiments done at night ...
Molecular & Computational biology
Dec 19, 2019
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Squids, octopuses, cuttlefish, amphibians, and chameleon lizards are among the animals that can change the color of their skin in a blink of an eye. They have photoreceptors in their skin that operate independently of their ...
Evolution
Oct 16, 2019
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Scientists from The University of Manchester have found a way to trick the eye into thinking the world is brighter than it actually is.
Cell & Microbiology
Jan 28, 2019
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On a moonless night, light levels can by more than 100m times dimmer than in bright daylight. Yet while we are nearly blind and quite helpless in the dark, cats are out stalking prey, and moths are flying agilely between ...
Plants & Animals
Mar 13, 2017
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158
Astronomers who scan the skies for returning comets are often disappointed. Sometimes these icy visitors from the fringes of our planetary system end up being much fainter than predicted.
Space Exploration
Mar 25, 2016
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54
University of Utah engineers have developed a polarizing filter that allows in more light, leading the way for mobile device displays that last much longer on a single battery charge and cameras that can shoot in dim light.
Optics & Photonics
Nov 20, 2014
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(PhysOrg.com) -- ESO's VISTA telescope has created the widest deep view of the sky ever made using infrared light. This new picture of an unremarkable patch of sky comes from the UltraVISTA survey and reveals more than 200 ...
Astronomy
Mar 21, 2012
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