Bacterial guests double as bodyguards

The bacterium Escherichia coli can be a scientist’s best friend when it’s being used as a tool for biological research, but some strains of it are better known for their nasty effects on humans as a causative agent ...

dateMay 04, 2011 in Cell & Microbiology
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The new kid on the block

In synthetic chemistry, ‘carbene’ species—compounds bearing a carbon atom with two unpaired electrons—have a ferocious reputation. Left uncontrolled, they will react with almost any molecule ...

dateJun 03, 2011 in Materials Science
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