Far up in the Ethiopian highlands, the resounding strike of stone against stone was probably a familiar one two million years ago. Ancient hominids chipped away to create simple tools: hammerstones ...

TOMORROW AND THE RETURN OF WINTER, WHEN AND HOW COLD COMING UP. JESSICA: NEW ON 5, AN INVESTIGATION IS UNDERWAY ON NANTUCKET AFTER WHAT IS BELIEVED TO BE A HUMAN BONE WAS DISCOVERED. POLICE TELL ...

This archived news story is available only for your personal, non-commercial use. Information in the story may be outdated or superseded by additional information. Reading or replaying the story in ...

Tohoku University scientists in Japan have made a scaffold that supports the growth of new bone in large jaw defects in mice. Their findings, published in the journal PNAS Nexus, bring scientists one ...