Thanks to the brilliant improvised line by Robert Downey Jr. in Iron Man, in which Tony Stark admits to being a superhero ...

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There was a time, before Neil Armstrong set foot on the moon, when some researchers believed women were better suited for space than men. In 1961, a group of female pilots—today known as the Mercury ...

An article published this week in The Lancet medical journal found that more than half of the world’s population lacks access to safe and affordable medical oxygen services, and most people ...