A team of four prominent mathematicians, including two Fields medalists, proved a conjecture described as a “holy grail of additive combinatorics.” Within a month, a loose collaboration verified it ...

A Nativity set, or crèche, is a three-dimensional representation of the birth of Jesus Christ. Some elements of a Nativity set are included because they are mentioned in the Bible. Other figures or ...

If you transport yourself back to freshman chemistry, you will recall — perhaps with horror — the periodic table. The table, also known as the periodic table of the elements, is an orderly arrangement ...

An aerial view of the MP Materials rare earth mine and processing facility in Mountain Pass, California. The good news on rare earth elements is that in the past five years, numerous companies have ...