New Covid-19 test uses a smartphone and CRISPR genetic technology

https://scitechdaily.com/new-covid-19-test-uses-a-smartphone-camera-and-crispr-genetic-technology/

How airflow inside a car may affect Covid-19 transmission risk

The optimal configuration is probably not the one you think it is
https://scitechdaily.com/how-airflow-inside-a-car-may-affect-covid-19-transmission-risk-what-works-best-for-windows-and-ventilation/