But when the question of how to explore the lake came up, not long after its discovery, the Vostok scientists faced a serious dilemma. The lake is under immense pressure, and to breach the ice would have devastating consequences.
Roger Federer: Swiss star will play on until at least 2019. Updated 1815 GMT (0215 HKT) February 21, 2017. Chat with us in Facebook Messenger. Find out what's happening in the world as it unfolds.
Roger Federerâs return to tennis for the first time since the 2016 Australian Open was a 6-3, 6-4 win over a good clay-court player in Guillermo Garcia-Lopez at the Monte Carlo Masters. The Swiss Maestro passed his first test in knocking off the rust and showing no ill effects from knee surgery and rehabilitation.