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...courses and qualifications Rodinia - the first supercontinent Between one billion and 620 million years ago, the continental crust that would one day be known as Britain formed tiny parts of a giant supercontinent called Rodinia (approximately 500 million years before the formation of Pangaea, a later supercontinent). All of Britain was south of the equator, with some...

...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...