Tigers face threats like degradation on habitats and conflict with humans that has caused their numbers in India to dwindle. When the number of members in a population goes down, the population faces another threat, inbreeding depression. Scientists from the National Center for Biological Sciences, Bangalore, study the genetic makeup of tiger populations to mediate the ill-effects of inbreeding depression.
Researchers have identified urban sewage as a critical hotspot for the evolution and spread of drug-resistant bacteria, highlighting an urgent need for nationwide wastewater monitoring to prevent future health crises.