There's no doubt about it: Mars is trying to kill you. It's just not very good at ranged attacks. But get close enough? BAM! What challenges will we have to overcome if we ever visit Mars?Learn more about advertising on the HowStuffWorks podcasts at www.howstuffworks.com/advertisers.htmAnd to learn about your ad choices when listening to podcasts, visit https://www.howstuffworks.com/privacy.htm#ad-choices
