Calvin_And_Hobbes: 2019-12-10.1
Garfield: 2019-12-10.1
Wizard_of_Id: 2019-12-10.1
Dilbert: 2019-12-10.1
Ruthe: 2019-12-10.1
BC: 2019-12-10.1
xkcd: "Data Error" 2019-12-09.1
Cyanobacteria wiped out nearly all life on Earth once before, and they can do it again!
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