110_Professor_Spencer_Davis_optical_phenomena

Penguin sex gets the attention it deserves after Murray Levick deprived the world of his observations due to his prudish Victorian era sensibilities.  Professor Lloyd Spencer Davis gives you the good oil on the oily birds getting it on (early birds only get worms).
Extended and diminished visibility and lights in the sky at high latitudes receive some attention from a non-physicist who will accept corrections with gratitude and alacrity.