Related by context. Frequent words. (Click for all words.) 43 Ph.D. postdoctoral fellow 41 tells WebMD 39 Correspondence Dr 37 Astrophys 36 ScD 36 Photo Jae C. 35 Joseph Menn 34 et al 32 hypothesized 32 hypothesizes 31 postdoctoral fellow 31 argues 31 Hyung Jin Kim 31 LiveScience 31 argues persuasively 31 Kwang Tae Kim 30 Jungyoun Park 30 Paly Voice 30 said. 30 Eric Savitz 30 Miyoung Kim 30 researchers theorize 30 Barbara Ortutay 29 Messrs. 29 speculates 29 hypothesize 28 contends 28 readily concedes 28 surmises 28 explains 28 hypothesizing 28 stresses 27 theorizes 27 wrote 27 Ms. 26 says 26 Particularly troubling 26 told MacNewsWorld 26 posits 26 noted 26 told TechNewsWorld 26 theorized 26 suggests 26 researcher 26 believes 25 predicts 25 asserts 25 eds 25 explained 25 said 25 told LinuxInsider 25 postulates 25 concurs 24 referring 24 hypothesis 24 observes 24 postulated 24 Hear NPR 24 genetic predispositions 24 genetic predisposition 24 concedes 24 cautions 24 asks rhetorically 24 elaborates 23 plausible explanation 23 likens 23 elucidates 23 coauthor 23 noting 23 underplays 23 Staff Reporters 23 elucidated 23 told internetnews.com 23 hypothesise 23 Del Quentin Wilber 23 alleges 23 emphasizes 22 speculate 22 stressed 22 acknowledges 22 ascribes 22 warns 22 reckons 22 argued 22 dissects 22 sheds light 22 pinpointed 22 acknowledged 22 adding 22 implies 22 hypothesised 22 draws parallels 22 Ironically 22 Paradoxically 21 asserted 21 adds 21 readily acknowledges 21 Writes 21 confirms 21 opines 21 concluded