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  Phones vulnerable to hacking even when the Internet is off

  January 10, 2015 15:58 IST

  Washington: Hackers may be able to sneak into your laptop or smartphone just by analysing the low-power electronic signals your device emits even when it is not connected to the Internet, researchers say.Researchers at the

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  Air pollution discolouring Taj Mahal, finds study

  India | December 11, 2014 11:29 IST

  Washington: A team of researchers from India and the US has found that the browning of the Taj Mahal's iconic marble dome and soaring minarets is due to dust and airborne carbon particles.“Our team was