For more than two millennia, mathematicians have produced a growing heap of pi equations in their ongoing search for methods to calculate pi faster and faster. The pile of equatio ...

Each day of the week, labeled 0 to 6, appears at least once in the list. Days of the week can also be the 13th of a month twice (days 4, 5 and 6). Here, too, we must now examine which of these ...

In the journal Science Advances, scientists in Sweden and the U.S. report the first-ever direct observation of a type of short-lived molecule that has shaped decades of thinking in atmospheric ...

Gold and other heavy elements are born in some of the universe’s most violent events—but scientists still struggle to understand the nuclear steps that create them. Now, nuclear physicists have ...

Hunter-gatherers in Europe carefully selected ingredients and cooked complex foods, often pairing fish with specific plants, ...

A 3,700-year-old Babylonian clay tablet reveals the oldest known trigonometric table, showing ancient scribes used precise triangle ratios.

The 19th-century German toy pieces, made with quartz sand, chalk and linseed oil, allowed kids to create realistic structures ...