The Closing Ceremony and Announcement of the Semi Finalists for the 2021 National Science Challenge was held on 25 September 2021. The 2021 NSC is organised in collaboration with strategic partners such as the Ministry of Education Malaysia, Majlis Amanah Rakyat (MARA), Collaborative Research in Engineering, Science and Technology Centre, or CREST for short, and the Malaysian Society for Microbiology. The excellent Young Scientists Network-ASM was on board to strategise the concept and content of NSC, while Sasbadi Online Sdn Bhd acted as the technology partner.