Science information this week: Lucy’s legs and historical rock artwork

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 huge leg muscular tissues to face up straight and climb timber. The discovering bolsters a rising consensus amongst researchers that Australopithecus afarensis — the extinct species to which Lucy belongs — walked erect somewhat than with a chimpanzee-like, crouching waddle.

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