Quadratic equations are polynomials, meaning strings of math terms. An expression like “x + 4” is a polynomial. They can have ...

Archaeologists have located Sak-Bahlán—the last city of the Lacandon rebels of Chiapas—in the Montes Azules Biosphere Reserve ...

A meteorite that plummeted into the roof and living room of a house in McDonough, Georgia, has now been found to be 20 ...