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Highly valued economically, ecologically and culturally, the white oak (Quercus alba) is a keystone forest species and is one of the most abundant trees across much of eastern North America. It also ...

A famous pear tree in the heart of Dublin City has been found to be more than 170 years old following DNA testing. The tree, which is believed to be one of the oldest fruit-bearing trees in Ireland, ...

Using ancient DNA, archaeologists in France have pieced together two elaborate Neolithic family trees that span multiple generations, making them the largest ancestral human record ever reconstructed.