From this perspective, it looks like life is a far more flexible enterprise then previously thought.
Scientists have found the first known living organism that incorporates arsenic into the working parts of its cells. What's more, the arsenic replaces phosphorus, an element long thought essential for life...
The discovery of a bacteria that can incorporate arsenic into its DNA adds a new dimension to what has long been accepted as the building blocks of life as we know it.
ET looms.
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