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New computerized casts of abnormally small Homo sapiens brains are reigniting the debate over the skeletal remains nicknamed “The Hobbit.”

Ever since the 18,000-year-old remains of the three-foot-tall adult female hominid were unearthed in 2003 on the remote Indonesian island of Flores, scientists have argued whether the specimen was a human with an abnormally small head or represents a new species in the human family tree. The diminutive creature [image] had a brain approximately one-third the size of modern adult humans.

Some scientists named the specimen Homo floresiensis, a dwarfed offshoot of Homo erectus, a human ancestor that lived as far back as 1.8 million years ago.

Critics dismissed the remains as that of a human with a pathological condition called microcephalia, characterized by a small head, short stature and varying degrees of mental retardation.

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