Using a swab to test for a disease should be fresh in the memory of anyone who had a Covid-19 test. A test for TB that relies on a simple tongue swab instead of a person having to cough up sputum is ...

Clark had been serving a sentence of life in prison without the possibility of parole. A DNA swab in the case had been originally tested by Yvonne “Missy” Woods when she worked at the CBI ...