30 innovations that improved the world in 2017

2017 may have been a rough year, but there were plenty of inventions, innovations, and gadgets that made the world just a slightly better place.

From global health to social justice to humanitarian aid, a slew of scientists, technologists, and activists came together this year to create impactful solutions to some of our most pressing problems.

SEE ALSO: 9 incredible ways we're using drones for social good

In no particular order, here are 30 innovations that made a tangible difference in 2017. For even more inspiration, check out our list of incredible innovations from 2016. Read more...

1. The 20-cent paper toy that can help diagnose diseases

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