Word: retinas
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...rats, for example, we know that the male retina has more cells designed to detect motion. In females, the retina has more cells built to gather information on color and texture. If the same is true in humans, as Sax suspects, that may explain why, in an experiment in England four years ago, newborn boys were much more likely than girls to stare at a mobile turning above their cribs. It may also help explain why boys prefer to play with moving toys like trucks while girls favor richly textured dolls and tend to draw with a wider range...
...theorists say it could not have evolved bit by bit because a bit of an eye has no survival value; it would never have been passed on. Biologists see it differently. They say, for example, a primitive, light-sensing patch of skin--a forerunner of the retina--could help animals detect the shadows of predators...
...retina is a thin, multi-layered membrane at the back of the eye that converts light and images into neural signals that reach the brain through the optic nerve. Macular degeneration, a disturbance of the center of the retina, is the leading cause of blindness in people over 55 years...
...Gibbs chose the right word to describe the effect of the prison-abuse scandal: humiliation. Some photo images find the retina of the heart and never go away: the fallen G.I.s on Omaha Beach on D-day, the napalmed girl in Vietnam and the collapse of the World Trade Center towers. And now the photos of depraved acts perpetrated against Iraqis by Americans at Abu Ghraib have soiled and overwhelmed the sensibilities of good people everywhere. Rich Houseknecht Greensboro...
Gibbs chose the right word to describe the effect of the prison-abuse scandal: humiliation. Some photo images find the retina of the heart and never go away: the fallen G.I.s on Omaha Beach on D-day, the napalmed girl in Vietnam and the collapse of the World Trade Center towers. And now the photos of depraved acts perpetrated against Iraqis by Americans at Abu Ghraib have soiled and overwhelmed the sensibilities of good people everywhere. RICH HOUSEKNECHT Greensboro...