News tagged with substances

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The five most poisonous substances

With the announcement of an inquiry into the murder of Alexander Litvinenko, talk of poisons is back in the news. There are many articles with lists of the most poisonous substances, which are often gathered based on their acute toxicity as measured by something called LD ...

Jul 29, 2014 4.6 / 5 (10) 7

The result of slow degradation

Why do environmental pollutants accumulate in the cold polar regions? This may not only be due to the fact that many substances are less volatile at low temperatures, as has been long suspected, but also ...

Apr 14, 2014 not rated yet 0

Emergency alert in the cell

After a natural disaster like a big fire, countless helpers work together to get rid of debris, to build temporary shelters and to provide food for people in need. When a cell is exposed to dangerous environmental ...

Mar 10, 2014 5 / 5 (2) 0