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...composition of breath. And Linus Pauling, a great chemist, actually used gas chromatography to analyse people’s breath, back in that time. But only in the last 20 years have people started thinking ‘Actually, they could use this to diagnose disease, it’ll be a lot easier.’ The problem is, although we do know that different diseases do give rise to different breath...

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...composition that is similar to the ambient local atmosphere. It's our baseline sample. And then we wait, taking samples over time. 20 minutes later, I come back and take my third and final sample of the volume. I would expect to see a much larger concentration of methane in the chamber. The samples are analysed in the lab so we can calculate the rate at which methane is...

...composition, behavior, or dynamics of the atmosphere’) to be reported, which potentially means SRM research must by law be open access (National Research Council, 2015). There are also relevant international treaties, which vary in their degree of legal requirement. For example, solar shields would fall under the 1967 Outer Space Treaty, signed in the midst of the Space...