For Mr. Santos, math can also inspire ideas about structures that have already been built — a new way to see and appreciate ...

A rectangle has two pairs of equal sides. It has four right angles (90°). The opposite sides are parallel. The diagonals bisect each other. A parallelogram has two pairs of equal sides. It has two ...

Using a relatively young theory, a team of mathematicians has started to answer questions whose roots lie at the very ...

When the city started, it was a couple blocks along the waterfront of 700 acres. Two hundred years later, it would grow to nearly 10,000 acres. How did Alexandria gain this much land over time? It ...

Most patterns eventually repeat themselves. But in the 1970s, mathematician Roger Penrose discovered a set of shapes that could cover an infinite plane without ever repeating. Known as Penrose tilings ...

Rose petals' unique shapes come from stress during growth. Differential growth and mechanical stresses create curled edges. Research shows petals violate a mathematical condition, causing stress.