Number of words: 359 Grape plants bear fruits having colours that can be deep purple or green. This colour is due to compounds called anthocyanins and flavonols, both of which are present in grape fruits.When the grape plant has a high amount of anthocyanin as compared to flavonol, the fruits are deep purple. When the … Read more
Number of words: 384 The household energy bills of India’s poorest city dwellers is likely to rise, posing a threat to India’s energy security due to a series of factors that lead to their greater use of electrical appliances, a new study by experts at the University of Cambridge and IIT Bombay says.The study exploring … Read more
Number of words: 359 US scientists have developed a highly compact and portable camera that can capture polarised light, help in study atmospheric chemistry and used to detect camouflaged objects.Polarisation, the direction in which light vibrates, is invisible to the human eye (but visible to some species of shrimp and insects). But it provides a … Read more
Number of words: 2,216 During the 2012 presidential election, there occurred one of those remarkably rare moments when campaign rhetoric actually clarified a large issue. It happened when Barak Obama, speaking without a written text, spoke from his heart and revealed his mind: “Look, if you’ve been successful, you didn’t get there on your own. … Read more
Number of words: 1,058 The entrance to the U.S. Army Natick Soldier Systems Center is busy and confusing. Based on how much the soldier at the gate my Uber driver and I pulled up to was shouting at us, we were not doing a great job of navigating that entrance. But after a few phone … Read more
Number of words: 1,637 Solar energy is crucial to many futures. On the micro level, there’s a booming solar industry in America and across the globe. Since Congress passed a tax credit in 2006, the Solar Energy Industry Association (SEIA) says that the industry has been averaging an annual growth rate of 50 percent in … Read more
Number of words: 1,101 We’re quite familiar with how matter behaves. For example, you intuitively know how hard you need to bounce a ball on the floor to allow it to jump over a barrier. But we don’t have the same kind of handle on subatomic particles. If you need an electron to cross a … Read more
Number of words: 398 When able, humans use their senses in tandem. Hearing a voice, a person turns around to see if it’s their friend. Touching an object can offer tactile information, but viewing it can confirm its true identity. But robots can’t use their senses in tandem as easily, which is why scientists at … Read more
Number of words: 876 Once upon a time there was a Greek, an Englishman, a German and a Spaniard. They decided they would each write a story that would do its best to explain the human condition. The Greek said, I’m going to write about a man who’s tossed about on the seas after a … Read more
Number of words: 5,050 “It’s not true that no one needs you anymore.” These words came from an elderly woman sitting behind me on a late-night flight from Los Angeles to Washington, D.C. The plane was dark and quiet. A man I assumed to be her husband murmured almost inaudibly in response, something to the … Read more
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