After a hunt lasting more than a year-and-a-half, police have arrested a couple for duping around 2 lakh people in one of India's biggest investment frauds involving an estimated Rs 1,100 crore.

To cook up a batch of biodiesel, scientists stir together methanol and vegetable fat.

Venice also needed alum for trade, since it was the point of departure for overland transportation of alum to southern Germany and its cloth-manufacturing Free Cities.

The footprints have already settled one old argument about the Thunder Lizard's habits. Scientists had once argued that the animal's legs could not have supported its tremendous bulk on land and that it was only capable of swimming.