Answer three questions and win a free copy of Rick Riordan's latest book The Trials of Apollo: The Tyrant's Tomb.
Sci-fiction buffs rejoice, there's much spectacle to behold on OTT this week. Sukanya Verma gives her recommendations.
'We don't know if the water we are drinking has lead in it or not.' 'In India, we don't have ways to easily detect or measure contamination levels.'
