News tagged with dose limits

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Seeing clearly through a liquid

Accurately examining materials in liquids using electron microscopy is a difficult task for scientists, as electron beams perturb the sample and induce artifacts. This is especially true when using in situ ...

Sep 08, 2014 5 / 5 (1) 0

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

List of search results for dose limits