To answer it, it's worth a look at a fascinating new piece of work by Ofqual, the qualifications regulator, which got a group of mathematicians to grade GCSE maths questions on how easy they were from a mathematical perspective: 35 judges compared pairs of exam questions thousands of times to build a nuanced picture of which qualifications were more complex. (bbc.co.uk)
The show unveils sculptural interventions, paintings, installations and performances featured across the entire first floor of the Armory's head house including an intriguing new piece of work commissioned specifically for the Drill Hall. (purple.fr)
Each new piece of work starts as a scribble, then I use a light pad to define that scribble into something I'm happy with. (blog.folksy.com)