The astronomers, atSpain's InstituteofAstrophysics of the CanaryIslands, madetheir observations on 16August 2008 during a lunar eclipse — in which the MoonmovesintoEarth'sshadow.
The Scripps Research Institute team had already boosted the number of cells created with two compounds initiating a naturally occurring process that moves the cell nearer to a stem-cell like state.