Why do we feel nostalgia?

The long-running collection by which readers reply different readers’ questions on topics starting from trivial flights of fancy to profound scientific and philosophical conceptsWhy will we really feel nostalgia? And why do some issues set off it greater than others? Jules, FifePost your solutions (and new questions) under or ship them to nq@theguardian.com. A variety shall be printed subsequent Sunday. Proceed studying…