Science news this week: Lucy’s legs and ancient rock art

This week in science information we pushed our understanding of human evolution even additional again with the invention of human shin bone fragments within the “Cave of the Monkeys.” Discovered deep inside a collapse Laos, it means Homo sapiens arrived in Southeast Asia as early as 86,000 years in the past. We additionally learnt that “Lucy,” the three.2 million-year-old human ancestor, had large leg muscle tissue to face up straight and climb bushes. The discovering bolsters a rising consensus amongst researchers that Australopithecus afarensis — the extinct species to which Lucy belongs — walked erect relatively than with a chimpanzee-like, crouching waddle.

In way more current human historical past — round 3,000 years in the past to be particular — we unearthed an unlimited cemetery of Bronze Age burial mounds close to Stonehenge and an “octagonal” sword so effectively preserved it shines. We may have lastly labored out what was being depicted in some mysterious rock artwork painted by Aboriginal individuals.