Artists and scientists have been creating optical illusions for centuries. Here are 35 mind-bending examples that prove you ...

If the rule is to multiply or divide by a specific number each time, it is called a geometric sequence. Each term in a geometric sequence is found by multiplying or dividing the previous term by ...

Despite its dry, dusty surface and thinner atmosphere, Mars may have more in common with Earth than scientists previously thought.

which involves carving out marble slabs and inserting precious and semiprecious stones to create elaborate floral and geometric patterns. One of the most famous and prominent examples of marble ...

Unlike the smooth contours of other flowers, the originally curved petals of roses end up forming polygons with straight ...