I would wager the techs behind such actions are less concerned with contamination and more concerned with silencing nay-sayers if we ever do find life on Mars.

There is a good sized junk of 238 in the wreckage of the Apollo 13 LIM, at the bottom of the Pacific, I am sure an enterprising gent will figure out how to find it and sell it.

Obligatory.

No, it is double plus not good. Once they enslave us we will be forced to create a foam brick based economy. As the environmental damage of their obsession grows humanity and all life on earth will slowly perish. Only a ghost world will be left with, a world covered with (as many alien societies who have come across…

Critical point not mentioned in the article: bats don't just need a stable and crammed roost, they also need SPECIFIC THERMAL LOAD requirements. A lot of times Bat houses on sticks are thrown up as 'mitigation' for tearing down a bat inhabited structure. But often bats were inhabiting that structure because it had a…