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None of these substances were found outside the skull, in the volcanic ash in which the carbonized, skeletal remains were buried.

"The peculiar preservation of Tridentinosaurus had puzzled experts for decades. Now, it all makes sense. What it was described as carbonized skin, is just paint."

Sophisticated testing takes place at the national forensics lab in Tel Aviv, where pathologists discovered that a blackened, carbonized lump of remains was that of a woman, clutching a child to her chest.

“When you see black, that means it is charred, burned; it’s carbonized, and we have a big problem,” he says.

Edison’s first practical light bulb used a carbonized cotton thread for that purpose; modern bulbs use tungsten filaments in an inert gas.