Around 12,800 to 12,900 years ago, a significant climate change event known as the Younger Dryas took place, following a gradual period of warming. This event is linked to evidence of a six-meter sea level rise, potentially caused by impacts on the North American and European ice caps. Impact proxies such as iridium, nano diamonds, platinum, and melt glass like trinitite have been found across a vast area of over 50 million square kilometers on Earth's surface. The hypothesis suggests that a comet fragment exploded in the sky, similar to the Tunguska event in 1908, possibly originating from the torrid meteor stream. However, there have been recent challenges to this hypothesis by Vance Halliday and his colleagues, questioning the Tunguska event's connection to impact proxies.
Graham Hancock, formerly a foreign correspondent for "The Economist," has been an international bestselling author for more than 30 years with a series of books, notably "Fingerprints of the Gods," "Magicians of the Gods" and "America Before," which investigate the controversial possibility of a lost civilization of the Ice Age destroyed in a global cataclysm some 12,000 years ago. Graham is the presenter of the hit Netflix documentary series "Ancient Apocalypse."
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Flint Dibble is an archaeologist at Cardiff University who has conducted field work and laboratory analyses around the Mediterranean region from Stone Age caves to Egyptian tombs to Greek and Roman cities. Flint enjoys sharing archaeology - from the nitty gritty to the grand - with people around the world. Subscribe to his YouTube channel, "Archaeology with Flint Dibble," or follow him on X/Twitter for behind-the-scenes deep dives into 21st century archaeology.
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