What does an Oxford mathematician take in her coffee? ☕️ A little coconut, some dark chocolate and, apparently, a reminder to take a break from doing too much maths. For #internationalcoffeeday, we revisit the story behind postgraduate student vijnivedita’s favourite (and very mathematical) mug. 🎬 | oxford.mathematics (First published March 2026) #coffeeday #oxforduniversity #mathematics #maths