All of these things make water a perfect subject to the latest Readers Photo Challenge and readers were up for it.

My Nikon D5100, ISO 100, f/8, 1/125 sec.” Critique: “Photographing calmer water can be tougher than it looks. A calm body of water splits a picture in half, creating a lovely mirror image ...

has called on members of the public to take part in the Citizen Science for Water Photo Story Competition, which is aimed at communicating matters of water action in creative ways. Image source ...