In this edition of Tech It Out, CGTN zooms in on Huawei's homegrown operating system that aims to one day take on iOS and Android. On Science Saturday, we review the major science news of the past two weeks, including the U.S., China and UAE's probes reaching Mars, approval of Johnson & Johnson's single-dose vaccine pending in U.S. and UK, the Biden administration suspending the U.S. ban on Tiktok and WeChat, and Tesla driving up Bitcoin prices after $1.5 billion purchase.