On Thu, Jul 9, 2015 at 10:09 AM, Colin Johnston <[email protected]> wrote: > you would think a researcher would stop once he realised effect being caused ?
how would he/she know?
On Thu, Jul 9, 2015 at 10:09 AM, Colin Johnston <[email protected]> wrote: > you would think a researcher would stop once he realised effect being caused ?
how would he/she know?