The Amazon rainforest and the Sahara desert seem utterly different. Yet NASA satellites have discovered a surprising connection that intimately links these two disparate parts of our planet.
FULL STORY: http://science.nasa.gov/science-news/science-at-nasa/2015/29apr_amazondust/
SCIENCECAST VIDEO: https://www.youtube.com/watch?v=s7lVGhTPQAY&feature=youtu.be
