#  Medicine: An End to Animal Testing? 

 





December 25, 2016

 

 

     ![newsweek_02.jpg](/sites/g/files/omnuum11526/files/styles/hwp_16_9__480x270/public/lewis-lab/files/newsweek_02.jpg?itok=5eW4OU79) 

 



 

The first-ever fully 3D-printed “heart-on-a-chip” was developed by Harvard researchers this year, offering a synthetic alternative for the living tissue that is currently used in animal testing.

 

 

 



 

 

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