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...course, would say it's just co-incidence, and some people would think it was the work of some sort of benign creator. Martin interprets this evidence differently. If we imagine that our Big Bang wasn't the only one, then naturally there would be some which have the requisite tuning for life to emerge, and we find ourselves in just that Universe. If there were many Big...

...element. Radon gas is formed by decay of other radioactive elements and the concentration in the environment depends upon the types of rocks on which you live. For example, the granite in Dartmoor contains small amounts of uranium that forms radon, which can accumulate in buildings and drinking water. This leads to an increased risk of cancer. Study a free Science course...

...course T217 Design Essentials... Chairs – are you sitting comfortably? What makes a good chair? Theo Zamenopoulos considers the factors that produce good design while sitting in his favourite place. No chair is an island No design is an island, entire in itself, they are all part of an ongoing conversation about what is good design Here Theo Zamenopoulos gives some...