The goldsmith Sabine Roemer, who was born in Germany and now works in London, said she was drawn to the hexagon as a “symbol of unity and balance.” It appears in her new high jewelry Bee You ...

The sides of the northern hemisphere’s hexagon are each 8,600 miles (13,800 km) long, about the width of Earth. The entire structure, some 15,000 miles (24,000 km) across, remains locked in ...