Abstract: In this paper, we study the problem that minimizes or maximizes a multi-order complex quadratic form with constant-modulus constraints on all elements of the optimization variable. This ...

Weaver ants’ feet have an incredibly strong grip—individual members of one species can, without slipping, hold an entire dead bird hanging off the edge of a table. And the mighty insects rarely work ...

Some 800 primary schools could be at risk of closure in the next five years as plummeting birth rates in the UK leave classes empty, according to new research by a leading think tank. According to the ...

There has been a slow but steady decline in regular commuting for those aged over 65, a study suggests. Hybrid working has reshaped daily life, redrawing the balance between office and home working, ...