Iridescent clouds are a diffraction phenomenon caused by small water droplets or small ice crystals individually scattering light. They often occur on lenticular clouds on top of a cumulonimbus, called pileus
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Pedro Pascal said that the fake blood was “so cooling,” that when it was pumped all over his face “it was very cathartic and I went into the deepest sleep I’d been in.” https://t.co/mYHlE6yQAv
A paper in @Nature suggests that prehistoric people in Europe may have started consuming milk from domesticated animals thousands of years before they evolved the gene to digest it. https://t.co/zGIgS6fAEh