With technology women are able to become agents of their own change.
The international prototype kilogram keeps changing weight so scientists have come up with a new way to calculate.
To be better prepared for future eruptions there's a need to understand and monitor poorly known volcanoes, even in remote places.
While social media can serve to amplify social divisions, it can also be a tool for resolving conflict between groups.
We don't have the data in developing countries, and in global statistics to know if the digital divide is being closed.
Technology which located Mayan cities has been used to rediscover a southern African city from the 15th century.