NEW : Pope 's message says the ` ` Man in the Shroud '' speaks to the heart of the faithful . Discovery of the Turin tomb is announced from the city 's cathedral on Sunday . Thirteen years ago , when Benedict was still Cardinal Joseph Ratzinger , he wrote that the shroud was `` a truly mysterious image , which no human artistry was capable of producing . '' Some Christians believe it to be from Christ 's burial , but many scientists disagree . New tests show the shroud could date back to time of Jesus , says Padua University professor .
NEW : Pope 's message says the ` ` Man in the Shroud '' speaks to the heart of the faithful . Discovery of the Turin tomb is announced from the city 's cathedral on Sunday . Some Christians believe it to be from Christ 's burial , but many scientists disagree . New tests show the shroud could date back to time of Jesus , says Padua University professor .