Kiara is special. She’s a perfectionist. She averages in the 90s for every subject.— Sal Naidoo (Kiara Nirghin's science teacher)
A 16-year-old girl from Johannesburg has won the grand prize at Google's science fair for inventing a cheap, ultra-absorbent material – made of orange peel - to enhance soil’s ability to retain water.
Kiara Nirghin, competing with entrants from every corner of the globe, won $50 000 (about R700 000).
Nirghin is a former The Money Show Kidpreneur.
Bruce Whitfield interviewed Nirghin’s science teacher Sal Naidoo.
Whitfield provides detail in the audio below (scroll down even further for the interview of Naidoo).
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