Squaring — multiplying a number by itself — seems harmless, but repeat it long enough and it becomes a mathematical explosion ...

Most of us don’t need a calendar to tell us when a season is ending. We can feel it in the weight we’re carrying — the ...

Why is the universe expanding at an ever-increasing rate? This is one of the most exciting yet unresolved questions in modern ...

Penn Engineers have developed a mathematical "Rosetta Stone" that translates atomic and molecular movements into predictions ...

The National Academies of Sciences, Engineering, and Medicine are private, nonprofit institutions that provide expert advice on some of the most pressing challenges facing the nation and world. Our ...