Stem Cell Controversy

Nobel laureate Ryoji Noyori had been engulfed in stem cell scandal

Lab group says it would have fired lead author, if she had not already resigned

RIKEN panel alleges more misconduct

Lead author of two retracted papers resigns her position after failing to reproduce new approach to generating stem cells

Embattled RIKEN officials voluntarily return 1 to 3 months of pay over fiasco

Tough peer-review of "magical" approach didn't stop ultimate publication of now-retracted stem cell papers

Panel will examine whether new evidence indicates further research misconduct

RIKEN announces center at heart of controversy will be reorganized, renamed

RIKEN says lead researcher Obokata will come back to the lab to repeat every step of her experiments

Senior co-author doubts existence of STAP cells

Most authors now agree with retraction of controversial STAP studies, but questions linger

Lead author on STAP stem cell papers announces willingness to retract … selectively

Judgment of misconduct by lead author Haruko Obokata will stand; she now faces disciplinary procedures

Image manipulation scandal continues to snowball

Head of panel that concluded manipulating images constituted misconduct is alleged to have done the same thing

Haruko Obokata blames errors on inexperience but maintains the results are still valid