During the decade-long civil war in Sierra Leone, rebels would cut off the arms and legs of civilians as a scare tactic, leaving behind thousands of war amputees. After the war, 2015 National Geographic Emerging Explorer David Moinina Sengeh, who was born and raised in Sierra Leone, became...

What if, in the future, a chair could morph its shape to fit your own unique body so it is truly comfortable? National Geographic Emerging Explorer Skylar Tibbits just might be able to make this a reality. As the director of the Self-Assembly Lab at MIT, Tibbits is taking 3-D printing to a whole...

In the intestines alone, the average person houses around 100 trillion microbes, and for every human cell in the body there are 10 microbial cells—making us more microbial than human. Scientific studies are beginning to show that these bacteria may be playing a much larger role in our lives than...