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[ad_1] BENGALURU: Eminent scientist and former scientific adviser to the defence minister VS Arunachalam passed away in his sleep in California, where he was under treatment for acute pneumonia and Parkinson's disease. He was 87. Arunachalam was the founder-chairman of Center for Study of Science, Technology and Policy, a not-for-profit think-tank, in Bengaluru. He is survived by his wife, three children and six grandchildren. His career spanned across Bhabha Atomic Research Centre (BARC), National Aerospace Laboratory (NAL), and Defence Metallurgical Research Laboratory. He served as the scientific adviser to the defence minister from 1982 to 1992. He worked as secretary, department of defence research and development, and was also the director-general of DRDO. "He was conferred the Shanti Swarup Bhatnagar Award, Padma Bhushan , and Padma Vibhushan for his contributions to engineering, science and technology. He was a Fellow of the Indian National Science Academy, th

[ad_1] WASHINGTON: Scientists have figured out how cats can locate food , allies and enemies. This research was published in PLoS Computational Biology. A complicated network of tightly coiling bony airway structures is to blame, according to the first thorough investigation of the domestic cat's nasal airway. In order to mimic how air containing typical cat food scents would pass through the coiled structures during an inhalation, the researchers built a 3D computer model of the cat's nose . They found that the air divides into two flow streams, one of which purifies and humidifies the air, and another of which swiftly and effectively transports the odorant to the part of the body responsible for smell, the olfactory region. According to the experts, the cat nose serves as a highly effective and dual-purpose gas.A complicated network of tightly coiling bony airway structures is to blame, according to the first thorough investigation of the domestic cat's nasal airwa