blog postsDid a 'volcanic winter' wipe out the toolmakers of Sumatra 74,000 years ago?Feb 26, 2020 11:00 am by ScienceIllinois in the NewsShare on FacebookTweetEmailImagesScience (Feb. 25) A new study suggests they survived the eruption and thrived for another 50,000 years. Illinois anthropologist Stanley Ambrose questions the study's conclusions.Share on FacebookTweetEmail