A MODERN table of chemical elements must show electronic configurations as well as the variation in the properties of the elements with atomic number. It should also include the lanthanide and ...

Although rare-earth elements (REEs) are not very rare, their recovery and purification is very cumbersome, with no ...

Is there anything worse than leaving a putt short? Yes—illness, famine, war—there is plenty in this life far worse than a putt left short. But you know what I mean. That sting that follows when the ...

Unfortunately you've used all of your gifts this month. Your counter will reset on the first day of next month.

As dusk settled, children in their Halloween garb bounded up with parents in tow toward the driveway of the Executive Mansion and, after a quick security screen, were greeted by a waiting Gov. Terry ...