(Phys.org)—New research which could help to deter and conserve sharks has confirmed that many of the ocean predators are probably completely colour blind.
Sep 19, 2012
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Components of the venom from marine cone snails can block the transmission of signals between nerve cells in minute quantities. This makes them potentially suitable for use as a novel analgesic. Researchers ...
Apr 04, 2012
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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 ...
Dec 20, 2011
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Scientists today reported that the tiny light-sensing cells known as rods have been clearly and directly imaged in the living eye for the first time. Using adaptive optics (AO), the same technology astronomers ...
Jun 08, 2011
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(PhysOrg.com) -- Neurobiologists at UC San Diego have discovered new ways by which nerves are guided to grow in highly directed ways to wire the brain during embryonic development.
Feb 14, 2011
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Sharks may be unable to distinguish between colours, according to a lab study published on Tuesday that could benefit swimmers, surfers and sharks themselves.
Jan 18, 2011
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(PhysOrg.com) -- University College London scientists are pioneering a stem cell treatment to replace diseased parts of the retina, which could lead to a future treatment for retinal diseases that affect around 3,000 children ...
Sep 22, 2010
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During neural development, newborn neurons extend axons toward distant targets then form connections with other cells. This process depends on the growth cone, a dynamic structure at the growing axon tip of ...
Aug 03, 2010
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In high-income countries, diseases related to vitamin deficiencies are not as frequent as in poorer settings but are nonetheless regular occurrences. In a Clinical Picture published Online First and in next week's Lancet, the ca ...
Jul 18, 2010
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(PhysOrg.com) -- Scientists from the Friedrich Miescher Institute for Biomedical Research (FMI) restore vision in retinitis pigmentosa using an archaebacterial protein. Introducing halorhodopsin into the remaining ...
Jul 14, 2010
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Think twice before falling asleep alongside the glare of your computer and TV screens: exposure to dim light from ordinary room lights, computer screens and other electronic devices late at night may be interfering with our ...
May 13, 2010
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The eyes are marvelous instruments for converting outside reality into images lodged inside our brains. A new study of the retina, the light-sensitive region at the back of the eye, solves a mystery as to ...
May 09, 2010
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Ever wonder how your eyes adjust during a blackout? When we go from light to near total darkness, cells in the retina must quickly adjust. Vision scientists at Washington University School of Medicine in St. ...
Oct 13, 2009
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An international team of scientists and clinicians from the United States and Saudi Arabia are working to develop gene therapy for treating a rare, hereditary retinal disease. The therapy has been shown to restore lost vision ...
Jul 29, 2009
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Nearly all species have some ability to detect light. At least three types of cells in the retina allow us to see images or distinguish between night and day. Now, researchers at the Johns Hopkins School of ...
Jul 26, 2009
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