Astronauts rely on specialised systems in spacecraft and space suits to supply oxygen in the airless environment of space. In ...

Astronauts depend on oxygen tanks while in space, with backup systems in place to prevent emergencies. In the event of an ...

Oxygen is crucial for aquatic life to thrive. But levels of dissolved oxygen have declined in many watery environments, ...

Imagine a world where the oxygen you need changes dramatically between day and night. Your world shifts from being rich in oxygen (oxic) in the day, so you have energy to hunt for food, to ...

In this guide to septic systems, CR shares a detailed breakdown of the workings of a home septic system, with expert advice ...