Fossil hand bones hint that ancient human relative Paranthropus made tools 1.5 million years ago

A 1.5-million-year-old set of hand bones, unearthed from a lake bed in Kenya, are the first to suggest an ape-like cousin of humans could use tools.

While the owner of the hands was a relative of modern humans called Paranthropus boisei, it was not a direct ancestor of ours.

But, according to a…