/tags/drug-tests drug tests en-US Copyright Fri, 24 Aug 2012 05:50:50 GMT /health/2012-08-24/testing-new-medications-using-tissue-chips Ann Thompson’s Focus on Technology reports researchers are developing tissue chips that accurately model human organs, such as the lungs, liver and heart.… Fri, 24 Aug 2012 05:50:50 GMT /health/2012-08-24/testing-new-medications-using-tissue-chips Ann Thompson