Artist Sam Van Aken's 'Tree of 40 Fruit' uses grafting to create wonder but also to preserve regional agricultural traditions ...

Together with the oceans, they are one of the two most important carbon sinks, due to their capacity to store carbon in the soil and in tree biomass. As such, promoting fast-growing trees could ...

Learn about our editorial policies Decision trees are major components of finance, philosophy, and decision analysis in university classes. Yet, many students and graduates fail to understand ...

It's often alleged that the Christmas tree originated from some sort of pagan practice. But the evidence points to a much later date during the Medieval period in Europe. Ron DeSantis Gives Update ...

Christmas is America's No. 1 favorite holiday—85% of us celebrate it. Here's how Christmas started and why we have the ...

and the most common images associated with Christmas are the Christmas tree, gift boxes and Santa Claus. For society at large, there is little significance to these elements and they are generally ...

Dressed in pagan folk costumes, Latvians gather on a square in the centre of Riga for a ceremony that some historians see as the ancient precursor to the Christmas tree tradition. But these ...

Historian Lucy Worsley traces the roots of Christmas by exploring the Anglo-Saxon tradition, wassailing where people sing to the apple trees to celebrate the winter solstice. Watch the full ...