While the immediate future is unlikely to yield AI pseudo-human carers, the notion of robots aiding the elderly is closer than ever. All over the world – especially in Japan, where more than a quarter of the population is over 65 – technology and healthcare are starting to overlap.

In response to Japan's increasing number of elderly people, video game companies are installing arcade games into nursing homes, with some even adding health benefits. One nursing home is actually owned by a branch of PacMan developer Namco Bandai.

With numerous smartwatches and fitness trackers being launched, the wearable tech industry is predicted to be worth $8.36 billion by 2018. But do people actually want to wear them? Tupelo's Mymo activity tracker could encourage uptake by awarding wearers tangible rewards.

In the UK, 29% of girls are overweight. In the US, 36% of black girls, 37% of Hispanic girls and 29% of white girls are overweight or obese. But why are the numbers so high? How can girls be taught healthy attitudes, and encouraged to try sport from their first day at school?