03/18/2010 05:12 am ET Updated Dec 06, 2017

7 Inventions That Are Changing The World

Digging around for Impact stories can bring up a lot of bad news. Extreme poverty and widespread injustice can seem omnipresent. That's why, today, we're publishing a slideshow of positive stories.

Here are seven inventions that are changing the world and have the potential to improve life for millions. Let us know which is your favorite!