Science
				
									
					
					    
					    —
					    
					
				
				
					
						
Top researcher: Stem cell research was hampered by opportunists and charlatans
					
								
					The hype surrounding stem cells in the aughts meant that for a time the research conducted was of an extremely poor quality, according to Henrik Semb. At his stem cell centre, research is a long and arduous process.