'Command center' cell that orchestrates tooth root formation discovered

Teeth function not only because of the hard enamel on the surface, but also because they have roots that anchor them firmly ...
The New York Times

Clear Ice Is Better Than Cloudy Ice. Here’s Why.

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› Advice, staff picks, mythbusting, and more. Let us help you. Updated November 29, ...
Investopedia

Present Value Interest Factor (PVIF) Explained: Formula and Applications

Will Kenton is an expert on the economy and investing laws and regulations. He previously held senior editorial roles at Investopedia and Kapitall Wire and holds a MA in Economics from The New School ...