Plant names often have an interesting history behind them: I came across Alchemilla while looking up a plant I photographed at the weekend. Thinking about the names often helps with remembering them, and also gives...
The dew point is ‘the temperature to which a volume of humid air must be cooled… for water vapor to condense into liquid water’, and is usually an early-morning or early-evening phenomenon in nature. OK, but, ‘what is...