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For decades, scientists have been working to understand the building blocks of life by studying the structures of proteins and other large biological molecules.  Using clever tricks with microscopes, electrons, and X-rays, it is possible to see the precise arrangements...

The ribosome, found in all living cells, is the molecular machine that builds proteins. It faithfully attaches together amino acids – the building blocks of proteins – in the order determined by messenger RNA molecules, which in turn follow the...

In our normal everyday lives we are exposed to an incredibly complex chemical soup consisting of an enormous variety of different chemical compounds. Many of these compounds contain metal atoms which, once inside us, can either fulfill roles that are...

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