Alexander Chepurnov had already recovered once when he re-infected himself in an experiment.
Kilometres of nets thrown overboard monthly, expert warns.
Emaciated animal walked 1500km south and away from Arctic Ocean, searching for food.
A 1,159 metre volcano named after one of Russia's most fearsome tsars erupted early Thursday for the first time in 23 years.
The city of Chelyabinsk cleared up its broken glass and divers scoured a lake to find a meteorite which hit with the force of a nuclear bomb.
These animals are supposed 'not to roar' due to their throat physiology, but hear his fearsome 'big cat' caterwawl as he attracts a mate.
Timber from potentate’s log cabin was superbly persevered in permafrost, allowing us to see how ancient man lived.
Pristine forests around the world's oldest lake go up in flames.
Wild animal uses eye contact to 'flatter' biologist Alexander Yakovlev - hoping for a tasty breakfast - at dawn on the shores of the freezing Gulf of Ob.