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The British always like to talk

The British always like to talk about what class a person’s in. A lot of people think they aren’t in any class – but the British can always put them in one! The class you’re in comes from the work that you do and the work that your parents did. Factory workers, miners, waiters and shop assistants are the working classes. Cousins of the Queen, people who live in castles and everyone whose family has been rich for more than a hundred years are the upper classes. Between the working classes and the upper classes, there are millions of people. These are the middle classes, and they’re the people who talk most about class. A lot of them are businessmen doctors, teachers and lawyers. They say that they’re the upper middle class, and think they’re much better than the lower middle class. The lower middle class is the class of shopkeepers, clerks and skilled workmen. All this is called the class system. It started in Britain about a hundred and fifty years ago, and the British haven’t seen yet that the world today is different from the world a hundred and fifty years ago. Workmen don’t like their bosses, and bosses don’t like their workmen; but, if you ask them why, they’ll tell you that they don’t like each other because their grandfathers didn’t like each other. The British

Plankton

Scattered through the seas of the world are billions of tons of small plants and animals called plankton. Most of these plants and animals are too small for the human eye to see. They drift about lazily with the currents, providing a basic food for many larger animals.
Plankton has been described as the equivalent of the grasses that grow on the dry land continents, and the comparison is an appropriate one. In potential food value, however, plankton far outweighs that of the land grasses. One scientist has estimated that while grasses of the world produce about 49 billion tons of valuable carbohydrates each year, the sea's plankton generates more than twice as much.
Despite its enormous food potential, little effect was made until recently to farm plankton as we farm grasses on land. Now marine scientists have at last begun to study this possibility