The Thwaites Glacier is responsible for nearly four percent of the rise in global sea levels and the amount of ice flowing into the sea from it has doubled in 30 years
After winning the Australian Open for the eighth time, the Serbian star Novak Djokovic, who defeated Austrian ace Domonic Thiem on Sunday, became World No 1 once again
As per public opinion poll, it is a close race among the top of the 11 Democratic contenders vying to challenge Republican President Donald Trump in November