Here’s a nice idea: a journal for people to write about open problems, with the aim of inspiring someone to have a go at solving them. Open Problems in Mathematics is a new open-access journal set up by Krzysztof Burdzy and a few others, and it’s online now.
An infinite series of blog posts which sums to -1/12
Many of you who are aware of the internet will have noticed that some mild controversy has surrounded a recent Numberphile video, posted last week: [youtube url=http://www.youtube.com/watch?v=w-I6XTVZXww]
Festival of the Spoken Nerd in geographical relocation shocker

Anticapitalists, please note: This post is categorised “not-directly-paid-for friendertisement”. We’re plugging a thing our friends do because we think it’s good, but alas, they make money off it. Please read with caution. Fans of mathematics and science in general will be pleased to hear that they no longer have to travel long distances to see…
Spot the Ball (he’s the one talking about maths)

TV maths advocate and certified old person Johnny Ball is hoping to stage what will be a record-breaking World’s Largest Maths Lesson, by filling a stadium with kids and talking to them all about maths at the same time. The event will take place on March 19th, during National Science and Engineering week, and will…
Proof News: Designs exist!
The year in proofs has started with a big result in combinatorics: the existence conjecture for designs. As usual, weightier minds than ours have comprehensively explained the result, so I’ll just give a brief summary of the problem and then some links.
All Squared, Number 11 – Maths Jam

MathsJam is an annual conference in the UK, and a monthly night in pubs around the world, organised respectively by mathematician and juggler Colin Wright, and stand-up mathematician Matt Parker. We cornered Matt and Colin at the MathsJam conference last November, and talked to them for just over half an hour about the conference, the…
An Approach That Uses Computers a Bit to Ask Questions on Numbers and Stuff in Big School
Here I attempt to write the abstract for my thesis, ‘A Partially-automated Approach to the Assessment of Mathematics in Higher Education’, “using only the ten hundred words people use the most often“.