The bone fragments were once thought to be some of the oldest human fossils found in Japan. When you purchase through links ...

Credits: Public Domain, via Wikimedia Commons. A study has found that what scientists had thought were the oldest human fossils found in Japan are the bones of a brown bear. Once known as the Ushikawa ...

A study has found that what scientists had thought were the oldest human fossils found in Japan are the bones of a brown bear. Once known as the Ushikawa man, the fossils were found in the city of ...

In the 1950s, when they were discovered, the Ushikawa fossils were identified as parts of a human humerus (upper arm bone) and femur (leg bone), believed to be over 20,000 years old ...

Suwa said Japanese scientists at that time thought a different bone fragment known as "Akashi ... discovery that the Ushikawa fossils are not human means the oldest human fossils found on the ...

A study led by researchers at the American Museum of Natural History presents the oldest known example in the fossil record of an evolutionary arms race. These 517-million-year-old predator-prey ...

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