NPR News: Science-Loving Teens From Ghana And D.C. Geek Out Together

Science-Loving Teens From Ghana And D.C. Geek Out Together
They competed in the first World Smarts STEM Challenge. We got to know the team that worked on a water purifier using neem leaves and ... cilantro.

Read more on NPR
Làm đẹp Blog 247 March 24, 2017 at 01:35AM
Category Health & Science