Caleb Scharf
Caleb Scharf is Director of Astrobiology at Columbia University. His next book, The Copernicus Complex, will be published in September 2014.
Caleb Scharf is Director of Astrobiology at Columbia University. His next book, The Copernicus Complex, will be published in September 2014.
Human activity is driving rapid planetary changes, which constitute a serious threat that can be mitigated only with the help of a thorough understanding of the way the physical world fits together. I… read more
