War
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You stick cookie dough into an oven and magically you get a plate of warm gooey cookies. Except its not magic its scie...View full lesson
Aaron Hueys effort to photograph poverty in America led him to the Pine Ridge Indian Reservation where the struggle of...Timothy Prestero thought hed designed the perfect incubator for newborns in the developing world but his team learned a hard lesson when...View full lesson
Youve probably heard that carbon dioxide is warming the Earth. But how exactly is it doing it Lieven Scheire uses a ra...View full lesson
Humanity has long been looking at the universe and asking the big questions How did it begin How will it end Cosmologi...View full lesson While we might consider elections to be the cornerstone of democracy the Athenians who coined the term actually employ...View full lesson
Beginning around 1377 medieval England was shaken by a power struggle between two noble families which spanned generat...