Humans see color thanks to cone cells, specialized light-sensing neurons located in the retina along the inner surface of the eyeball. The actual light-sensing section of these cells is called the outer segment, which is ...
Optics & Photonics
Dec 20, 2011
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When we fixate an object, its image does not appear at the place where photoreceptors are packed most densely. Instead, its position is shifted slightly nasally and upwards from the cellular peak. This is shown in a recent ...
Evolution
Aug 2, 2021
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387
Every day, 400 kilometres above our heads, there are astronauts living in space. Their home is the ISS, the frontier outpost of human exploration, and a workplace like nothing on Earth. With spacewalks and dockings to contend ...
Space Exploration
May 27, 2013
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Variations in how people perceive colors and how those same colors appear on TV, computers and other media have confounded broadcasters, Web designers and printers trying to reproduce lifelike hues.
Social Sciences
Jun 29, 2009
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A new technique for identifying and diagnosing damage to the human retina has been awarded 'Best Student Paper' at the industry-leading BIOIMAGING 2018 conference in Portugal.
Engineering
Feb 13, 2018
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37
Science fiction novelist and scholar Issac Asimov once said, "The most exciting phrase to hear in science, the one that heralds new discoveries, is not 'Eureka!' but 'That's funny.' " This recently rang true for an international ...
Biochemistry
Feb 28, 2011
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Say what you will about bird brains, but our feathered friends sure have us -- and all the other animals on the planet -- beat in the vision department, and that has a bit to do with how their brains develop.
Biochemistry
Jun 23, 2011
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Human-derived stem cells can spontaneously form the tissue that develops into the part of the eye that allows us to see, according to a study published by Cell Press in the 5th anniversary issue of the journal Cell Stem Cell. ...
Cell & Microbiology
Jun 13, 2012
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