Polar Vortex freezes US with snow

A blast of Arctic air from the polar vortex has brought dangerous, bone-chilling cold to a wide swath of the United States on Tuesday, stretching from the Dakotas through Maine, with snow expected......

Twitter's Agrawal latest Indian to head a global giant

With his elevation as the CEO of Twitter, Parag Agrawal, in whom co-founder of the microblogging giant Jack Dorsey has “bone-deep” trust, joins the growing power club of Indian-origin......