Daniel Grossman has been a print journalist and radio and web producer for 20 years. He holds a PhD in political science and a bachelor of science in physics, both from the Massachusetts Institute of Technology. He has reported from all seven continents, including from near both the South and North Poles. His e-book, Deep Water: As Polar Ice Melts, Scientists Debate How High Our Oceans Will Rise, available on Amazon, profiles the obsessions of a sea level research team.