Morning brief: Opposition on demonetisation, Zuckerberg's Twitter account hacked, Ricky Martin gets engaged and more
- This doctor-cum-stand-up comedian invented low-cost medical devices for aiding people in rural India
- NASA's Cassini reveals mysterious features after its close tryst with Saturn & its rings! [VIDEO and PHOTOS]
- The ultimate mystery behind Antarctica's 'Blood Falls' finally revealed!
- LHS 1140b is believed to be the most habitable exoplanet which may possess alien life
- ISS spots stunning lightning and mysterious UFOs! ESA officials claim the objects are not meteors [VIDEO]