Know your colour vision challenges

Know Thyself: Stable Cell Fate Decisions in Insect Colour Vision

1206. 2. WHO. (2005). Cumulative number of confirmed human cases of Avian Influenza. http://www.who.int/csr/disease/avian_inf luenza/table_2005_10_10/en/... 16/10/2005. 3. Longini, I.M., Jr., Nizam, A., Xu, S., Ungchusak, K., Hanshaoworakul, W., Cummings, D.A., and Halloran, M.E. (2005). Containing pandemic influenza at the source. Science 309, 1083–1087. 4. Ferguson, N.M., Cummings, D.A., Cauc...

Colour-Vision and Colour-Blindness

Colour vision

The immense range of colours that we see belies the relative simplicity of the system underlying colour vision. We see colours because each of the three distinct types of cone photoreceptor in our retinae is sensitive to a different range of wavelengths of light. The L, M and S cones, colloquially called red (R), green (G), and blue (B), are selective for long, middle and short wavelengths, res...

Colour vision

Editorial Colour vision 2006 is an important bicentenary for the Ulster Medical Society. In 806, the Belfast Medical Society was founded and the later formation of the Belfast Clinical and Pathological Society in 853, allowed amalgamation of both societies to form the current Ulster Medical Society in 862. The vision of the early founders of the Belfast Medical Society, was far sighted, and som...

PowerPoint: know your medium.

To make the most of PowerPoint in professional presentations, presenters need to understand some basic principles that transcend the software. These include a thorough grasp of the message a presenter wants to convey; the backgrounds, interests, and needs of the audience; and the best approaches to fitting the medium of delivery to the content of the material. PowerPoint is a useful tool, but l...