This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. Weve all gotten e-mails warning us about nasty computer viruses. Maybe you even have antivirus software installed on your machine. Well, now scientists s

发表于:2018-12-24 / 阅读(65) / 评论(0) 分类 Scientific American(一)月

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. You probably remember exactly what you were doing when you first heard the news on 9/11. Thats because the brain has ways to file information so that thi

发表于:2018-12-24 / 阅读(87) / 评论(0) 分类 Scientific American(一)月