Science Archaeology World's oldest-known rock art found in Indonesian cave The claw-like drawing of a human hand is roughly 67,800-years-old. Breakthroughs, discoveries, and DIY tips sent six days a week. A drawing of a claw-like hand on the wall of a cave in Sulawesi, Indonesia is now the oldest known rock art in the world. The roughly 67,800-year-old art exceeds the previous record holder in the same region of Southeast Asia by 15,000 years or more. The drawing is detailed in a study published today in the journal, and helps fill in the archaeological timeline of how and when Australia was first settled.

Amazon has scrapped a "sexist" tool that used artificial intelligence to decide the best candidates to hire for jobs. Members of the team working on the system said it effectively taught itself that male candidates were preferable. The artificial intelligence software was created by a team at Amazon's Edinburgh office in 2014 as a way to automatically sort through CVs and select the most talented applicants. But the algorithm rapidly taught itself to favour male candidates over female ones, according to members of the team who spoke to Reuters. Amazon wage increase could result in lower pay for some employees Black Friday 2018: The best Amazon deals Will Amazon's deliver-on-demand smart homes be the future of housing? Will Amazon's deliver-on-demand smart homes be the future of housing?