The big impact on humanity will come from the seemingly small things. E.g. clean water for all and better health education. These are not 'sexy' and so don't se

The big impact on humanity will come from the seemingly small things. E.g. clean water for all and better health education. These are not 'sexy' and so don't seem like BIG ideas but most of humanity doesn't give a toss about a Mars mission and never will.