Mathematicians have identified a new class of shapes that "tile space without using sharp corners." From bathroom floors to siding on buildings, it's common to cover areas without gaps by arranging ...

When humans cover a space using tiles of the same shape without overlap or gaps—a geometrical process called tiling—we will usually opt for a shape with sharp corners and straight lines, like squares ...

“Squoval nails are a salon classic,” Totty says. “The corners are usually rounded and give a softer look to traditional square nail.” Recommending them to those who want active length but ...