Disabled people who've had difficulty using public buildings, facilities and services such as shops, transport and websites may benefit from a new 10-year strategy to improve accessibility and promote equality.
Women work 67% of the world's working hours, yet they earn only 10% of the world's income.
The number of undernourished people globally is approaching 1bn, (vs. 832m in 1995, on UN estimates) and is still rising.
People worldwide seem to share an "inequality aversion", suggesting that fairness may be a universal value.
Bringing cutting-edge scientific research to doctors and researchers in poor countries who can't afford expensive medical journals helps reduce the scientific knowledge gap between industrialised countries and the developing world.