Pollen in ancient ship coatings reveals Roman waterproofing methods
Researchers analyzed a 2,200-year-old Roman shipwreck and found its hull was coated with pine tar and a mixture of tar and beeswax. Pollen trapped in the coatings provided clues about the local vegetation during construction and repairs. This study combines molecular and pollen analysis to understand ancient naval technology.
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Original headline: “2,200-year-old Roman shipwreck reveals ancient waterproofing secrets.” Browse more stories.