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NASA recently published a paper in the journal Science about experiments that involved 'persuading' a bacterium to use arsenic instead of phosphorus in its basic bio-chemistry. Despite some reports in the mainstream press about its earth-shattering significance of having discovered arsenic-based life, most scientists have concluded this is just an interesting addition in understanding how life works.

Many articles reminded people of the acronym "CHNOPS" - a mnemonic for the most abundant elements in bio-chemistry. If P is for Phosphorus, what are the rest? [+ Show Answer]

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In Jan 2017, Finland became the first country in Europe to officially experiment with this socio-economic concept. Similar experiments are scheduled for many Dutch cities and the Canadian city of Ontario in 2017. In the case of Finland, the figure is 560 Euros a month. What concept?

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