Many people think about air as a fixed mix of gases like nitrogen, oxygen, and carbon dioxide (CO2). But the main reason the composition of air changes—water vapour—tends to get overlooked. Scientists often remove it from atmospheric samples before analysing air composition, and this convenient habit can make us forget something surprising: water vapour isn’t just “in” the air; it is air, and when ...[Read More]
Is How We View the Atmosphere Too Dry?
