These include nearly 20 ancient human fossils, a well-preserved skull, over 400 stone tools, and numerous bones with evidence of human processing. A recent excavation from April to November 2024 ...
Until then, the oldest known footprints of human ancestors were tens of thousands of years old. But this trail, some 80 feet long and preserved in cementlike volcanic ash, had been made by some of ...
Of all primates living today, only we humans walk fully upright ... They also have another remarkable clue: actual footprints preserved in the volcanic ash of Laetoli. Like wet sand on a beach ...
Records of the Past Preserved in Ice McConnell's Ice Core Laboratory ... researchers have tracked the sharp decline of lead in human blood. However, the nationwide exposure, particularly for ...