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How to buy a quality real Christmas tree without breaking the bank

How to buy a quality real Christmas tree without breaking the bank - Here are six expert tips to get the most from your money ...

Evolution and human height: Mathematician calculates physical limits to how tall we can grow

The tallest man to ever live was Robert Wadlow, who reached a staggering 2.72m. That's equal to a very large male ostrich or Shaquille O'Neal with two bowling pins balanced on his head.

How plants decide their size: Study maps plant growth strategies across roots, leaves, and stems

What makes plants grow to a certain size? From the tiniest cells to whole leaves, roots, and stems, growth has to be carefully coordinated—but until now, it has been hard to compare findings from ...
University of California, Davis

An Extreme Tree Hunt in the Sierra Nevada

Across 24 peaks and 240 miles through the Sierra Nevada, a UC Davis team searches for high-altitude Jeffrey pines to learn ...