Researchers from the Tata Trusts, Institute of Economic Growth, India and Harvard University, USA, have tried to understand how people's socio-economic status affect their food habits and the diversity of the food they eat.
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.