Manhole covers are round for a mix of safety, engineering, and practical reasons. A circular cover can't fall through its opening, regardless of rotation, making it safer for workers and pedestrians.

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WA Police have released CCTV and body-worn camera footage showing a man allegedly throwing an object into a crowd at an Invasion Day rally in Perth's CBD before fleeing and being arrested. Police say ...

Neuroscience examines the structure and function of the human brain and nervous system. Neuroscientists use cellular and molecular biology, anatomy and physiology, human behavior and cognition, and ...