As always, you check the vital signs of each pod, one by one.

Pod One: Haidee. Oxygen: 21.05%. Carbon Dioxide: 0.040%. Water Temperature: 75 degrees. All within standard limits.

Pod Two: Jerrold. Oxygen: 21.02%. Carbon Dioxide: 0.043%. Water Temperature: 73 degrees. Nothing too alarming here.

Pod Three: Samara. Oxygen: 21.23%. Carbon Dioxide: 0.038%. Water Temperature: 76 degrees. Oxygen and temperature are both a little high.

A glance at her mission log tells you that Samara is sleeping right now, so you send her a message to read when she wakes up.

But then you look at Pod Four, Foster's pod. Oxygen: 20.51%. And even worse: Carbon Dioxide: 0.44%. Immediately you push a button: SYSTEM ALERT.

Now you grab the microphone and broadcast: "Foster: Alert! Your O2's low and CO2's reaching dangerous levels. What's going on?"

Research effects of high CO₂

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