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I experienced sticker shock when I visited a nursery to buy a holiday tree this year. A 10-foot tree would have cost me $370 if I'd gone ahead and bought it. I remembered being happy as a child in the ...

Purdue Landscape Report: Trees are incredible survivors in spite of the challenges from pests of all kinds, including us! They are vulnerable to injuries such as mechanical wounds from lawn equipment, ...

Tea tree oil may have benefits for topical use. It may target certain bacteria and support skin health when used as directed. Tea tree oil is an essential oil with several uses, including keeping skin ...

The Prometheus tree once stood in this grove on a mountain in Nevada. James R. Bouldin / Public domain via Wikimedia Commons In the summer of 1964, a graduate student named Donald Rusk Currey asked ...

All species on Earth, both living and extinct, are related. We know this because of a biological tool called the tree of life. This "tree" takes the form of a diagram that maps the relationships ...

The Rockefeller Center Christmas tree was hoisted aloft at its new home in Manhattan on Saturday, marking the start of New York City’s holiday season. This year’s tree is a 75-foot-tall Norway spruce ...

If a tree was properly maintained and healthy, but was knocked over by something like storm damage, the neighbor shouldn’t be held liable. But if the tree was unhealthy and it fell over onto another’s ...

Some math conjectures and theorems and proofs can take on a profound, quasi-religious status as examples of the limits of human comprehension. TREE(3) is one of those examples. "You've got all these ...