On Monday nurses at Cofimvaba Hospital, near Queenstown, downed tools, demanding that acting CEO Ntombesithathu Qotoyi be removed. They accuse her of disrespecting and insulting them and playing ...
Recent research by Joseph Vignola at the Catholic University of America is revolutionizing fresco assessment. Vignola and his team have applied laser Doppler vibrometry to locate delamination in the ...