When flatworms (planarians) choose one colour over the other, they are not truly sensing colour. They are comparing the two lights and converting the difference in effective intensity of light into clear behavioural choices. In a seminal work, Bengaluru-based researchers have found that flatworms (Schmidtea mediterranea), which are highly averse to light and move away … Continue reading inStem team finds how colour-blind flatworms choose colours
Colour blind
Gene therapy cures red-green colour blindness in adult monkeys
Published in The Hindu on September 17, 2009 There is hope for millions of people who are unable to see or have trouble seeing red and green colours. Red-green colour blindness is the most common colour-vision disorder. It mostly affects males as it is a gene defect that is carried in the X chromosome. In … Continue reading Gene therapy cures red-green colour blindness in adult monkeys
How the colour blind see coloured medication
Published in The Hindu on August 29, 2009 One easy way to differentiate tablets is to look for their colours. That is also the reason why tablets come in different colours, and capsules have two colours. The red and black-coloured Becosules capules are a case in point. The idea behind colour-coating medicines is to help … Continue reading How the colour blind see coloured medication