http://news.nationalgeographic.com/news/2008/12/081203-homo-sapien-missions_2.html Kate Ravilious for National Geographic News December 3, 2008 Modern humans may have evolved more than 80,000 years earlier than previously thought, according to a new study of sophisticated stone tools found in Ethiopia. The tools were uncovered in the 1970s at the archaeological site of Gademotta, in the Ethiopian Rift Valley. But it was not until this year that new dating techniques revealed the tools to be far
It is safe, and routine recommended. Unlike Chinese, people here do not use spatula to clean earwax. Honestly, it is probably safer to use a rinsing solution :)