What are Supernumerary Rainbows?
Supernumerary rainbows are faint bow lines that appear just inside the main rainbow. Look at the rainbow above and you may just be able to…
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Tag: weather clues
Birds and Weather Signs
Perching birds usually face into any breeze. It stops their feathers getting ruffled, but more importantly allows them to take off quickly into wind. So…
How to Navigate with Rainbows
Many people believe that a thing must be either beautiful or practical. But nature brims with examples that manage both. Rainbows are pretty, but they…