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(Reuters) - A woman was critically injured in a shooting inside a downtown Denver office building on Tuesday and police said the suspected gunman was pronounced dead at the scene with what appeared to be a self-inflicted gunshot wound. Denver Police spokesman Doug Schepman told reporters at a news conference that the woman was shot multiple times around 2:45 p.m. local time (2045 GMT) and was taken to a hospital in critical condition. The Denver Post newspaper uploaded video online showing office workers with their hands above their heads fleeing the building dubbed the Alliance Center, a hub for environmental activism groups and other organizations.
When a female praying mantis bites the head off her sexual partner, it is probably not out of anger. According to a study published Wednesday, the mantis' proclivity for devouring her mate may have evolved to better provide for her offspring. "Sexual cannibalism... increases male investment in offspring," said William Brown of the State University of New York at Fredonia, who co-authored a paper published in the journal Proceedings of the Royal Society B.