Science fiction isn’t limited to predicting tech developments: It’s more broadly concerned with imagining possible futures, or alternative presents.

Spiritualist medium Helen Duncan was photographed emitting ectoplasm, supposedly proof of her ability to contact the dead.

It’s said that the best jokes, like the best mysteries, are ones where the punchline is contained in the set-up. Jordan Peele's Get Out offers a sinister reworking of this maxim.

Mrs. Dalloway was published on May 14, 1925. We look at the book 90+ years on.