minus-squareArigion@feddit.detoCool Guides@lemmy.ca•A time traveler's survival guide. The vertical green bars are the only times in Earth's history with enough oxygen to breathe (hypoxia) and low enough to avoid oxygen toxicity (hyperoxia).linkfedilinkEnglisharrow-up9arrow-down1·4 months agoI read “space farting civilization”. That is an interesting concept. linkfedilink
I read “space farting civilization”. That is an interesting concept.