News tagged with cone cells

Cone snail venom controls pain

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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Sharks are colour-blind: study

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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A turning point for young neurons

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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Vitamin A deficiency in New York City

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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More than meets the eye to staying awake, alert

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
4.9 / 5 (8) 0 | with audio podcast

Developing gene therapy to fight blindness

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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An 'eye catching' vision discovery

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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