For the first time, researchers have been able to extract DNA fragments from an ancient clay brick, demonstrating how these building blocks from times long past could be used to catalog flora found in the environment at the time.
"The brick serves as a biodiversity time capsule of information regarding a single site and its surroundings,""In this case, it provides researchers with a unique access to the ancient Assyrians."The team concentrated on plant DNA because it was the most well preserved, but the same techniques could be used to look for animal DNA too.
In this case, the fact the clay brick had been left to dry naturally rather than fired helped preserve its organic contents, as did the taking of the sample from the middle of the brick where the material was well protected.
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