Google honours South African teen for experiment using orange peels

A 16-year-old South African is the regional winner for Middle East and Africa in the Google Science Fair's Community Impact Award. She is now in line to be one of sixteen global finalists and will travel to the Google headquarters in California for the award ceremony.The finals are in September.Kiara Nirghin‚ from St Martin's High School in Johannesburg‚ decided to tackle the drought affecting Southern Africa and has come up with a revolutionary way of keeping crops hydrated for longer‚ at a muc...