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Coming soon: mobile phones with pollution sensors

IISc. team develops highly sensitive low-cost CO sensor How cool would it be to have a mobile phone equipped with a pollution sensor? This could one day become a reality with researchers at the Indian Institute of Science (IISc.) developing a highly sensitive low-cost sensor to detect carbon monoxide levels, small enough to fit into a mobile phone. While conventional sensors are made through lithography … Continue reading Coming soon: mobile phones with pollution sensors

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Under Bengaluru’s trees

Did you know the tamarind tree came from Ethiopia two thousand years ago? Or that the vast majority of Bengaluru’s avenue trees are native to South America? In fact, so many commonly-used plants have come from that continent, the famous botanist and Kannada writer B.G.L. Swamy wrote a book called Namme Hotteyalli South America (South America in our stomach). If you’ve ever stopped in the middle … Continue reading Under Bengaluru’s trees

When the eyes see more than there is

Sixty-five-year-old Srinivas K.* has been experiencing distressing side effects from his Parkinson’s disease medication. Sometimes, he walks into an empty room and imagines it filled with people. Other times, he says, he ‘sees’ snakes or raindrops. “One time, I looked out of the window and saw it pouring, but when I stepped outside, there wasn’t a single drop of rain,” he tells other patients and … Continue reading When the eyes see more than there is

Rainwater harvesting in less than a tenth of households

Eight years after rainwater harvesting was made mandatory in Bengaluru, the Bangalore Water Supply and Sewerage Board has implemented it in just 72,000 households. This is far less than the number of possible sites as the BWSSB has installed 9.4 lakh water connections in the city. The law on rainwater harvesting applied to all new structures (after 2009) coming up on areas measuring 1,200 sq ft and … Continue reading Rainwater harvesting in less than a tenth of households

With sumps contaminated, residents scrounge for water

With sumps in houses getting contaminated for the second consecutive day, sourcing clean water has become a major worry for residents in areas that were inundated over the last couple of days. Close to 300 residents in Koramangala 4th Block are facing problems sourcing water after the sumps got contaminated twice in as many days. “Our major worry is where to get water from. On … Continue reading With sumps contaminated, residents scrounge for water

City council misses window to set up RWH systems in its parks

At a time when water shortage is on everyone’s minds and “water councils” are being held by the civic body to discuss how to ameliorate the situation, one would expect the Bruhat Bengaluru Mahanagara Palike (BBMP) to do everything in its capacity to conserve water. However, the civic body missed a good window to conserve water by not setting up rainwater harvesting systems in its … Continue reading City council misses window to set up RWH systems in its parks

A sure-shot way to get people segregate waste?

How do you get recalcitrant residents to segregate their waste? A team of waste collectors and design students seem to have hit upon a scalable solution. Using a mobile app, waste collectors geotagged 250 households and rated the level of segregation. Within three months, more than three-fourths of the 250 households had achieved 100% segregation compliant to perfect segregation practices. The Waste Samaritan initiative, a … Continue reading A sure-shot way to get people segregate waste?

Heart failure patients in India have higher mortality rate post-diagnosis, says Lancet study

Indians have one of the highest rates of mortality after diagnosis of heart failure, greater than that of people in several developing countries in the world, according to a study published in the The Lancet Global Health. The study, published on May 2, has found that heart failure patients in India had one of the highest mortality rates after one year of diagnosis at 23%. This … Continue reading Heart failure patients in India have higher mortality rate post-diagnosis, says Lancet study