At the MD Anderson Cancer Center in Houston, Texas, Dr Jean Pierre Issa has been pioneering the use of two epigenetic drug therapies - decitabine and azacitidine.

BBC: RELATED BBC SITES

The 72-story tower planned next door, designed by French architect Jean Nouvel, is being developed by Hines, a firm based in Houston.

WSJ: MoMA Tear-Down

Jean, a restaurant hostess, who logged into her account at an after-hours gathering with a Houston's manager to show him the site.

WSJ: Employers Watching Workers Online Spurs Privacy Debate