Researchers from Anna University, Chennai use a microwave-based remote sensing technique to assess changes in Kolkata’s land subsidence for the years 2003, 2007 and 2011. Their resuls indicate that the city might in fact be slowly sinking.
The study from IISc found a previously unidentified yeast-like symbiont inside the lac insect Kerria lacca, which gives the insect its distinctive red colour and, may also provide other nutrients in return for shelter.