minus-squarej4k3@lemmy.worldtoCanada@lemmy.ca•How a Columbia Student Fled to Canada After ICE Came Looking for HerlinkfedilinkEnglisharrow-up19arrow-down1·2 days agoThe walls are to keep us in linkfedilink
j4k3@lemmy.world to Cool Guides@lemmy.caEnglish · edit-29 months agoA 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).plus-squarefiles.catbox.moeexternal-linkmessage-square0fedilinkarrow-up11arrow-down10
arrow-up11arrow-down1external-linkA 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).plus-squarefiles.catbox.moej4k3@lemmy.world to Cool Guides@lemmy.caEnglish · edit-29 months agomessage-square0fedilink
The walls are to keep us in