In a recent study, researchers from Anna University, Chennai, quantified the volume of virtual water trade in India. The study, published in the journal Groundwater for Sustainable Development, focussed on the trade exchange of popular crop and livestock products during the years 2006–2016.
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.