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			by 
			
			SciShow 
			
			January 8, 2012 
			
			from
			
			YouTube Website 
			
			  
			
			 
			
			Hank explains the power of solar energy and describes how it may fit 
			into our diversified energy future. 
			 
			He also discusses the following topics: 
			
				
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					The power of epigenetics, which studies the factors that determine 
			how much or whether some genes are expressed in your body.   
					 
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					Five scariest things that will likely happen because of climate 
			change. Some of the surprising things that could be causing or 
			contributing to the obesity epidemic.    
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					The issues of rising global population. The impacts of exotic 
			invasive species on ecosystems while introducing us to a couple 
			interesting individuals.    
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					The story of his favorite genius lady scientist and radioactive 
			superhero, Marie Curie. The challenges involved in manned space 
			travel to Mars, and sends us a message from his 17-year-old self. 
					 
				 
			 
			
			
			 
  
					
				
			  
			
			  
			
			  
			
			
			  
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