In this edition of Tech It Out, we continue with our "Science Behind Virus" series, finding out how potential drugs can work to treat COVID-19.

On Science Saturday, we review the major science news of the past two weeks, including the ExoMars space mission being delayed to 2022 due to the coronavirus pandemic; new nerve interface technology to help amputees better control bionic hands; scientists discovering that bumblebees can recognize objects across senses; and WHO announcing that the global mean sea level hit a record high level in 2019.