Bats use high frequency sounds waves to echolocate their food. While most bats move their heads, nose, ears or mouth to change the direction of the sound waves they produce, Egyptian fruit bats do so without any visible movements in their head or body. Scientists from IISER Pune and University of Washington, USA, Johns Hopkins University, USA explore how they pull off this feat.
Despite successful bans on the veterinary drug diclofenac in Nepal and parts of India, a decade-long undercover investigation reveals that toxic alternatives like flunixin and nimesulide are rapidly replacing it, posing a renewed existential threat to the region’s critically endangered vulture populations.
Mumbai/