Cities affect temperatures for thousands of miles

Even if you live more than 1,000 miles from the nearest large city, it could be affecting your weather. In a new study that shows the extent to which human activities are influencing the atmosphere, scientists have concluded ...

Technique to recover phosphorus from urine

Phosphorus, number 15 on the periodic table, can be highly toxic and flammable and has been used in warfare as an incendiary device, yet it is also essential for life.

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