Property description: Eighteen months into a 15-year lease for its downtown Minneapolis headquarters, bed maker Sleep Number has turned a move out of the suburbs into a work culture change. Sleep ...

Hilbert’s 12th problem asked for novel analogues of the roots of unity, the building blocks for certain number systems. Now, over 100 years later, two mathematicians have produced them. Problems in ...

The first tests of a “factorisation factory” have beaten the record for breaking gigantic numbers down into their prime-number building blocks. It might one day force firms to strengthen their online ...