In a post over on the company’s developer forum, Twitter announced that, moving forward, every emoji will be counted as the same number of characters toward your tweet’s 280-character count.

We investigate the effect of molecular geometry and conformational flexibility on electronic coupling and charge transfer interactions within propeller-shaped perylene diimide (PDI) tetramer arrays ...

New versions of Alan Bennett's much-loved monologues, with performers including Sarah Lancashire, Martin Freeman, Kristin Scott-Thomas, Jodie Comer and Maxine Peake ...