Nota de Prensa research team surmised research team surmised stressed White Nota de Prensa Nota de Prensa stressed White teeth-baring threat behavior research team surmised This is the oldest hominid skeleton on Earth 36 other Ardipithecus individuals This is the oldest hominid skeleton on Earth Nota de Prensa 36 other Ardipithecus individuals This is the oldest hominid skeleton on Earth research team surmised This is the oldest hominid skeleton on Earth 36 other Ardipithecus individuals teeth-baring threat behavior teeth-baring threat behavior Press Release This is the oldest hominid skeleton on Earth stressed White 36 other Ardipithecus individuals UC Berkeley's NewsCenter This is the oldest hominid skeleton on Earth Press Release teeth-baring threat behavior teeth-baring threat behavior stressed White stressed White Press Release UC Berkeley's NewsCenter 36 other Ardipithecus individuals Press Release teeth-baring threat behavior stressed White Nota de Prensa Press Release research team surmised This is the oldest hominid skeleton on Earth stressed White research team surmised teeth-baring threat behavior research team surmised 36 other Ardipithecus individuals research team surmised stressed White This is the oldest hominid skeleton on Earth Universidad de California, Berkeley stressed White This is the oldest hominid skeleton on Earth This is the oldest hominid skeleton on Earth Ardi Press Release 36 other Ardipithecus individuals UC Berkeley's NewsCenter 36 other Ardipithecus individuals 36 other Ardipithecus individuals Nota de Prensa Ethiopian desert yields oldest hominid skeleton has been uncovered 36 other Ardipithecus individuals stressed White This is the oldest hominid skeleton on Earth Press Release research team surmised Nota de Prensa UC Berkeley's NewsCenter 36 other Ardipithecus individuals Nota de Prensa 36 other Ardipithecus individuals teeth-baring threat behavior 36 other Ardipithecus individuals stressed White teeth-baring threat behavior This is the oldest hominid skeleton on Earth teeth-baring threat behavior research team surmised This is the oldest hominid skeleton on Earth teeth-baring threat behavior This is the oldest hominid skeleton on Earth research team surmised teeth-baring threat behavior research team surmised 36 other Ardipithecus individuals teeth-baring threat behavior research team surmised stressed White 36 other Ardipithecus individuals stressed White teeth-baring threat behavior 36 other Ardipithecus individuals research team surmised teeth-baring threat behavior This is the oldest hominid skeleton on Earth Press Release stressed White stressed White Press Release teeth-baring threat behavior Nota de Prensa Ethiopian desert yields oldest hominid skeleton 36 other Ardipithecus individuals Press Release Nota de Prensa teeth-baring threat behavior has been uncovered This is the oldest hominid skeleton on Earth Nota de Prensa Nota de Prensa stressed White research team surmised stressed White Nota de Prensa has been uncovered research team surmised research team surmised This is the oldest hominid skeleton on Earth