"I have to say it was when I was growing up. My mom would decorate the house like crazy. Her maiden name was Rudolph, so I feel like it fits," Dush said. Now she finds herself in the perfect spot. The ...

If you cut down a tree, you can read in the wood an environmental record. Now climate change is complicating the narrative. In a basement in Tucson, Ariz., slices of tree trunks stand on shelves. They ...

Purdue Landscape Report: Water covers approximately 71% of Earth’s surface, yet only 3% of the 326 million cubic miles of water on the planet is suitable for growing crops, such as trees. It can be ...

Write a number as a product of its prime factors To be able to find factors and write a number as a product of prime factors, having knowledge of powers and indices is useful. Remember: To find all ...