IFLScience: A city in northern India is currently in the midst of a scorching heatwave, as the temperature smashes the national heat record at a sweltering 51°C (124°F) this week. Recorded in the city of Phalodi in the desert state of Rajasthan, there are fears that the heatwave may lead to repeats of the environmental disaster seen last year when thousands of people died in India from dehydration. The government has even stepped in this time and ordered that rivers be diverted to try and prevent such a recurrence....