RIYADH: A science and engineering exhibition has been launched to showcase the innovative ideas of 30 Saudi students who are taking part in the Regeneron International Science and Engineering Fair (ISEF). The King Abdul Aziz and His Companions Foundation for Giftedness and Creativity (Mawhiba) has trained these students, who are competing with their counterparts from 80 countries. ISEF 2021 is being held virtually in the US. More than 1,800 students from around the world are showcasing their projects at the science fair.