The Great-Grandfather, a four-meter-thick Patagonian cypress, has been determined by Chilean experts to be the world's oldest living tree, surpassing the previous record-holder by more than 600 years. Jonathan Barichivich, a Chilean researcher at the Climate and Environmental Sciences Laboratory in Paris, examined the coniferous tree, also known as Alerce Milenario in … [Read more...] about The 5,484-Year-Old Great-Grandfather Tree Was Discovered As The World’s Oldest