What is consciousness? It is a term which is liberally used in these so-called ‘enlightened’ times, when we use it to describe developing spiritual awareness. In physical terms, one might describe it as the presence of life, and what our brain perceives, which would be a reasonable assumption. What we may not be aware of, however, are the limitations of our brain, how ‘conscious’ perception affects what we perceive, and how we perceive it.

On a daily basis, the brain processes a huge amount of information, only a fraction of which we are actually aware of; consequently it is almost impossible to determine what remains stored in our sub-conscious.
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The fires currently searing through the Australian bush between Lithgow and Bilpin could create an unusual cloud formation known as a ‘Fire Cloud’ or pyrocumulus, predict fire analysts. The unique weather phenomenon only forms when areas of intense heat, such as bush fires or volcanoes, meet with an unstable atmosphere.

As fires burn, the hot air generated rises in a huge column upwards, with the space underneath being filled by cooler air, a process producing a convection column. The hot-air columns created can be extremely large and can rise high into the atmosphere carrying a large amounts of water vapour – one of the main combustion products of fire.
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Prophets and soothsayers have been predicting the end of the world for thousands of years, with possible extinction-level events cited as super-volcanoes or earthquakes, giant solar flares, pollution, plague and pestilence, and the favourite of the 20th century, nuclear war. There is no doubt that planet Earth is currently under-going what Confucius would describe as ‘interesting times’, with all of these proposed threats simmering away ominously in the background as we continue our ordinary lives. One of the other threats which could end Life as we know it, and one which has been credited with extinguishing the dinosaurs millions of years ago, is if the Earth was to be struck by a sizeable asteroid, and it is this scenario which could occur in the not-too-distant future.
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