At a little over 4 ft. tall, she was small by human standards. But when Ardi, the 4.4 million-year-old hominid fossil found in Ethiopia in 1992, was finally introduced to the world last October in a series of 11 audacious studies in the journal Science, she caused big waves in evolutionary circles. Both TIME and Sciencenamed her the "Scientific Breakthrough of the Year." But now Ardi has found herself in a spot of controversy. Two new articles being published by Science question some of the major conclusions of Ardi's researchers, including whether this small, strange-looking creature is even a human ancestor at all./.../
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