Meet the four-year-old “genius” can identify all 50 US states on a map – as well as all the major cities in the UK and name all 195 flags of the world. Arthur Weekley has been interested in flags ...

The protesters are calling on the San Diego City Council to give residents more input on the placement of cell towers in their community.

Researchers have systematically detailed, step by step, how cognitive maps form in the brain's hippocampus -- a region responsible for learning and memory.