I will be hosting the 123rd Carnival of Mathematics in June 2015. I you have material you want to submit material to be included please submit them to the Carnival of Mathematics Website (at Aperiodical.com/carnival-of-mathematics - it will get redirected to me). Please make sure to send it to me by June 10th. I will send you a confirmation e-mail when I receive your input. Please include your name, the name of your website (if you have one) and the material you want to have posted.