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A self-portrait is a representation of an artist, drawn, painted, photographed, or sculpted by the artist. Although self-portraits have been made by artists since the earliest times, it is not until the Early Renaissance in the mid 15th century that artists can be frequently identified depicting themselves as either the main subject, or as important characters in their work...

A bird's-eye view is an elevated view of an object from above, with a perspective as though the observer were a bird, often used in the making of blueprints, floor plans and maps. It can be an aerial photograph, but also a drawing. Before manned flight was common, the term "bird's eye" was used to distinguish views drawn from direct observation at high locations (for example a mountain or tower), from those constructed from an imagined (bird's) perspectives...

It seems that science is at last trying to catch up with how the domestic dog performs many tasks. The latest research into the dogs method of shaking water from their coats shows that as they have evolved to do so with the highest efficiency possible. The core reason behind this vital action is to remove excess water from their coats so they do not get hypothermia...

Fish are a paraphyletic group of organisms that consist of all gill-bearing aquatic vertebrate (or craniate) animals that lack limbs with digits. Included in this definition are the living hagfish, lampreys, and cartilaginous and bony fish, as well as various extinct related groups...

A POTD is an acronym for "Photo of the Day", "Picture of the Day", "Post of the Day" or "Poll of the Day". It is a term most commonly used by online digital photography communities as an honor to outstanding photos that are selected daily from among that community's membership. They can either be tagged as POTD or displayed in a special page on that site...