Ernest McCulloch, the Ontario Cancer tumor Institute cell biologist who co-authored the 1st evidence demonstrating the existence of stem cells, died on Wednesday at age 84. A lifelong scientist, McCulloch maintained an active research system studying the part of stem cells in severe myeloid leukemia, and actually published a paper simply last month on the radiation sensitivity of mouse bone marrow cells. Their work also laid the foundation for the promising field of regenerative medicine.Dr Roberts is became a member of by 30-year-previous Birmingham-based events manager, Tag Smallman. Mark meets urologist Alan Doherty to discover how exactly to self-examine for lumps also to see his personal testes scanned on ultrasound. Mark watches Doherty carry out a pioneering procedure on prostate tumor sufferer Ian Roberts, who has the tumor removed using keyhole medical procedures. Ian explains his symptoms and just why it is necessary for males to have regular check-ups with their doctor. Related StoriesFDA grants accelerated acceptance for Tagrisso to take care of patients with advanced NSCLCMeat-rich diet plan may increase kidney malignancy riskNew RNA test of blood platelets may be used to identify location of cancerIn the next programme Dr Roberts proceeds her tour of reproductive systems – this time around looking at the female sexual organs.