Bas Lansdorp, co-founder and CEO of Mars One, discusses radiation exposure Mars settlers and how they plan to deal with radiation shielding for their Mars base: Radiation Fears Should Not Hold Back Mars One Mission – Space.com.

Robert Zubrin, president of Pioneer Astronautics and the Mars Society, gives his analysis of a recent NASA report on radiation dosages for a Mars trip: Curiosity’s Radiation Results – Robert Zubrin/SpaceNews.com.