Most are irregular shapes. Nearly a century ago, scientists found that various shapes appear at different temperatures. The shapes vary between columns and plates as temperatures drop.

To accurately measure the surface area of a hide with a completely irregular shape—presumably so they can accurately price them—the staff at the tannery use an almost medieval-looking piece of ...

Webb reveals more than one star contributes to the irregular shape of planetary nebula NGC 6072 by European Space Agency edited by Lisa Lock, reviewed by Andrew Zinin Editors' notes ...