It has always been dangerous to work in mines. The roof may fall in and there are risks of flooding and explosion. Over the years, miners found that keeping canaries in the mines was a good early warning system. The birds were likely to die if there was a gas build up and this gave [...]
Thanks to the pictures that have been added to cigarette packets in many parts of the world, it’s impossible for smokers to avoid understanding that smoking causes cancer. Yet the tobacco industry continues to sell high volumes of cigarettes and other products that allow people to smoke or consume nicotine. Once people are addicted to [...]
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