Asteroids! What do you know about asteroids? Well it turns out we can learn plenty from asteroids but there is a particular reason why asteroids have become the front and center of attention recently. As it turns out asteroids can be source of precious metals, many of which do not exist here on earth. CFA Astronomer Martin Elvis of the Smithsonian Institute at Harvard is one of the leading advocates in the mining of asteroids and discusses the reason for and benefits of mining asteroids.
https://www.cfa.harvard.edu/news/su201418
Aired March 12, 2017