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Every bottlenose dolphin has its own whistle, a high-pitched, warbly "eeee" that tells the other dolphins that a particular individual is present. Dolphins are excellent vocal mimics, too, able to copy even quirky computer-generated sounds. So, scientists have wondered if dolphins can copy each other's signature whistles—which would be very similar to people saying each others' names. Now, an analysis of whistles recorded from hundreds of wild bottlenose dolphins confirms that they can indeed "name" each other, and suggests why they do so—a discovery that may help researchers translate more of what these brainy marine mammals are squeaking, trilling, and clicking about. "It's a wonderful study, really solid," says Peter Tyack, a marine mammal biologist at the University of St. Andrews in the United Kingdom who was not involved in this project. "Having the ability to learn another individual's name is … not what most animals do. Monkeys have food calls and calls … [Read more...] about Dolphins Can Call Each Other, Not by Name, But by Whistle

'If you don't have a strong political leadership, however much expertise a country may have, in pandemic preparedness or infectious disease, will not matter.' IMAGE: A view of a temporarily converted isolation ward for COVID-19 patients in the Shehnai banquet hall in New Delhi. Photograph: ANI Photo There must be an endgame for COVID-19. That's something we have been wearily, dismayingly wondering about since last March. We have pondered, without end, over when this virus, that has overwhelmingly dominated our lives for 16 months, will finally be neutralised. Infectious disease and public health expert Dr Amesh Adalja believes COVID-19 will be with us, in its present more aggressive avatar, till 2022. Dr Adalja, an infectious disease specialist, practices in the Pittsburgh area of Pennsylvania. He is also a senior scholar at the Johns Hopkins Center for Health Security and adjunct assistant professor at the Johns Hopkins Bloomberg School of Public Health, attached … [Read more...] about ‘Covid response is highly dependent on leadership’

India’s Prime Minister Narendra Modi today announced a new app to encourage more Indians to pay online in the aftermath of invalidation of most circulated cash last month . Called Bharat Interface for Money (BHIM), the app works on top of the country's UPI mobile banking platform and uses a mobile number as the payment address. The app, which has the simplest user interface for any UPI-enabled app to date, is positioned as a substitute for plastic cards and point-of-sale terminals. SEE ALSO: Inside India's plan to substitute cash with its citizen's fingerprints To use BHIM app, a user is required to register their bank account with the app, set a UPI PIN for the account, and use their mobile number as payment address. Users also have the option create a custom payment address. The biggest selling point for the app is it works across all banks and users do not need to use separate apps in case they have multiple accounts in different banks. BHIM also supports QR codes to … [Read more...] about BHIM app will replace all cash transactions in India: PM Modi

Six people have tested positive for coronavirus and a further 13 are waiting their results following an illegal house party. The indoor gathering, which took place in Swansea, South Wales, on April 10, was investigated by council environmental health workers following the close timing of four positive Covid-19 cases - two men and two women - which had raised suspicions. Efforts by Swansea Test Trace Protect contact tracers to find out more were thwarted by some revellers who claimed they were not in the city at the time and that the party actually took place elsewhere. The occupiers of the house where the gathering took place also denied at first that it had happened. Swansea Bay University Health Board also criticised the party-goers for "misleading" contact tracers and "putting the wider community at risk", reports Wales Online . Swansea Council environmental health officials, in partnership with South Wales Police, then investigated and were able to uncover evidence … [Read more...] about Six test positive for coronavirus and 13 waiting on results after illegal house party