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During 1963-1965, excavations at Herod the Great’s palace on Masada, Israel, revealed a cache of date palm seeds preserved in an ancient jar. They had experienced a very dry and sheltered environment for centuries. Radiocarbon dating at the University of Zurich confirmed the seeds dated from between 155 BC to 64 AD. The seeds were held in storage for 40 years at Bar-Ilan University, Ramat Gan, until in 2005, the seeds were pretreated in a fertilizer and hormone-rich solution. Three of the seeds were subsequently planted at Kibbutz Ketura in the Arabah desert in southernIsrael. Eight weeks later one of the seeds had sprouted, and by June 2008, the tree had nearly a dozen fronds and was nearly 1.4 m (4 ft) tall. By the summer of 2010, the sapling stood at about 2 meters tall.

The plant was nicknamed “Methuselah,” after the longest-lived character in the Bible. Methuselah is remarkable in being the oldest known tree seed successfully germinated, and also in being the only living representative of the Judean date palm, a tree extinct for over 1800 years, which was once a major food and export crop in ancient Judea.

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