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Smart toothbrush can detect heart problems Scientists are developing a smart toothbrush that can monitor vital signs and detect deadly heart problems from human saliva.The device would be a simple way to incorporate heart check-ups into daily routines and could prompt heart patients to adj
Rajdhani, Shatabdi passengers to get SMS if t Passengers of Rajdhani and Shatabdi will now get text messages on their mobile phones if their scheduled trains get delayed by more than an hour. Currently, the SMS me


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