Can you solve it? The birthday birthday problem

Hi guzzlers, My Monday Puzzle column celebrates its third birthday this week. What better way to mark the occasion than a puzzle about a birthday! Ariel, Balthazar and Chastity are great mates, genius logicians and they always tell the truth. Neither Ariel nor Balthazar know the day or the month of Chastity’s birthday, so she…

Connecting the dots to unlock brain structure

Hernando Ombao (right) hopes that more quantitative scientists will become interested in furthering understanding of the roles of genetics on brain function and behavior. Credit: KAUST Mapping genetic influences on connections between neural networks could lead to a better understanding of brain organization and behavior. A review of recent developments in statistical methods has highlighted…

Joyce Fletcher obituary

My aunt Joyce Fletcher, who has died aged 88, was an educationist who taught in Britain and Nigeria, where she worked on a series of maths books for primary schools, including teacher guides and workbooks, which became widely used. A couple of years ago when she was in hospital, one of the nurses, Nigerian by…

Math sheds light on how living cells 'think'

Credit: Queensland University of Technology How does the ‘brain’ of a living cell work, allowing an organism to function and thrive in changing and unfavourable environments? Queensland University of Technology (QUT) researcher Dr. Robyn Araujo has developed new mathematics to solve a longstanding mystery of how the incredibly complex biological networks within cells can adapt…