[ 1 ] NAE grand challenges for engineering [Internet]. Washington, DC: US National Academy of Engineering; [cited 2019 Oct 30]. Available from: http://www. engineeringchallenges.org/. link1

[ 2 ] Global Grand Challenges Summit 2019: engineering in an unpredictable world [Internet]. London: Royal Academy of Engineering; 2019 Sep [cited 2019 Oct 30]. Available from: https://www.raeng.org.uk/publications/other/ggcs-2019- brochure. link1

[ 3 ] Sustainable development goals [Internet]. New York: United Nations; [cited 2019 Oct 23]. Available from: https://sustainabledevelopment.un.org/?menu= 1300. link1

[ 4 ] Global Grand Challenges Summit 2019: day two sessions (video recordings) [Internet]. London: Royal Academy of Engineering; [cited 2019 Oct 30]. Available from: https://www.raeng.org.uk/policy/partnerships/internationalpolicy-and-development/ggcs/2019/welcome/on-demand-2. link1

[ 5 ] Sakas ME. A 13-year-old science entrepreneur wants to bring her water testing device to market [Internet]. Washington, DC: NPR; 2019 Jan 29 [cited 2019 Oct 30]. Available from: https://www.npr.org/2019/01/29/ 687788715/a-13-year-old-science-entrepreneur-wants-to-bring-her-water-testingdevice-to-ma?t=1571836269632. link1

[ 6 ] Global Grand Challenges Student Competition 2019 [Internet]. London: Royal Academy of Engineering. [cited 2019 Oct 30]. Available from: https://www. raeng.org.uk/policy/partnerships/international-policy-and-development/ggcs/ 2019/welcome/student-competition. link1

[ 7 ] International team of next generation innovators win global engineering competition [Internet]. London: Royal Academy of Engineering; 2019 Oct 30 [cited 2019 Oct 23]. Available from: https://www.raeng.org.uk/news/newsreleases/2019/october/international-team-of-next-generation-innovators-w. link1