Search

...chemistry doesn’t get as big an audience as a programme on a chimpanzee community.’ But that’s what public service broadcasting should be about. I personally think that the idea of trying to define a public service programme is a nonsense. What defines public service broadcasting is a schedule and a rounded schedule, and you judge your success as a public service...

...chemistry of the atmosphere with plant and animal chemistry. The carbon taken from the atmosphere (fixed) by plants enables them to grow, but in addition much of it enters the food chain as either living or dead material. Living plants are eaten by herbivores which themselves may become food for carnivores. The dead material provides food for the decomposers (bacteria and...

...chemistry, biology and physics. Apart from keeping us alive, water is used extensively in industrial processes, for recreation and for transport. It is something we can’t do without. The water we use for domestic purposes ought to be free from contaminants, yet water pollution is a major problem in many countries. According to the World Health Organization (WHO, 2002),...

...chemistry and the physics, and ultimately it doesn’t really matter what level you want to stabilise the temperature at, any level of stable temperature requires greenhouse gas emissions ultimately to fall to zero, and that clear statement by the Intergovernmental Panel on Climate Change, by the scientists, has gradually been understood. And the G7 in its statement in...