Scientists are not sure how Buruli ulcer disease spreads or even how it develops in nature.

VOA: special.2009.04.06

And of course the all important question even though political philosophers and political scientists rarely pronounce it ? namely quid sit deus what is God? Does he exist?

当然还有最重要的问题,就算是政治哲学家和,政治科学家都很难做出判断的问题,即quid，sit，deus？上帝是啥？祂存在吗？

耶鲁公开课 - 政治哲学导论课程节选

Even opposing scientists say human-influenced global warming has become widely accepted by the scientific community.

VOA: special.2010.01.19

Even today, many experts say women scientists often are not treated fairly.

VOA: special.2009.05.13

Scientists believed the Tyrannosaurus ate even larger plant-eating dinosaurs.

VOA: special.2009.09.01

Over the past few decades,however, scientists have determined that even trace amounts of lead in children's bodies leads to long-term neurological and behavioral problems.

VOA: standard.2009.12.19