We see a lot of stories about the possibility of colonizing Mars, and we read about big companies like NASA and Mars1 making plans to actually go there. Most readers react positively and get really excited about it, without being aware of the downsides and drawbacks of life on Mars. Temperature on Mars is - 70C, sometimes it drops to -100, which is colder than Antartica! That is an atmosphere that humankind cannot possibly survive. Gravity on Mars is substantially low, which can cause damage to the bones and muscles. While flying to Mars, you will face cosmic rays and energetic particles from the sun. Both of those have serious health risks like cancer and DNA damage. The way I see it, from my perspective, instead of trying to
