We Don't Know if We See the Same Colors

the colours that we finally think we see are labels used for convenience by the brain. I used to be disappointed when I saw 'false colour' images, say, satellite photographs of earth, or computer-constructed images of deep space. The caption tells us that the colours are arbitrary codes, say, for different types of vegetation, in a satellite picture of Africa. I used to think false colour images were a kind of cheat. I wanted to know what the scene 'really' looked like. I now realize that eve...

 Specialization is Differentiation

The proliferation of subcults is most evident in the world of work. Many subcults spring up around occupational specialties. Thus, as the society moves toward greater specialization, it generates more and more subcultural variety. The scientific community, for example, is splitting into finer and finer fragments. It is criss-crossed with formal organizations and associations whose specialized journals, conferences and meetings are rapidly multiplying in number. But these "open" distinctions ...

 Why There Cannot be a Language of Science

We may show that, as it was impossible to make the Latin a vulgar tongue common to all Europe, the continuance of the custom of writing in it upon the sciences would have been attended with a transient advantage only to those who studied them; that the existence of a sort of scientific language among the learned of all nations, while the people of each individual nation spoke a different one, would have divided men into two classes, would have perpetuated in the people prejudices and errors, ...

 Babies Can Distinguish Sounds Adults Cannot

Why do the speakers of different languages hear and produce sounds so differently? Ears and mouths are the same the world over. What differs is our brains. Exposure to a particular language has altered our brains and shaped our minds, so that we perceive sounds differently. This in turn leads speakers of different languages to produce sounds differently. When and how do babies start to do this? Do they start out listening like a computer, with no categorical distinctions? Or do they start out...