Inspired by the work of Victorian mathematician Mary Everest Boole, try making a symmetric curve using string and some hole-punched card, says Peter Rowlett ...

The winning numbers for the Mega Millions lottery drawing on Friday, May 9, were 9-10-12-48-60 and the Mega Ball was 16. Mega Millions tickets start at $5 apiece.

The winning numbers for the Mega Millions lottery drawing on Friday, May 23 were 7-18-40-55-68 and the Mega Ball was 18. Mega Millions tickets start at $5 apiece.