ancient viruses

Ancient paintings are 'rising from the grave'
A recent oil spill in the Arctic Circle in Russia is the first sign of the unpredictable calamities coming from global warming.
The melted 15,000-year-old glacier could release new viruses
A team of US and Chinese scientists studied two ice cores from a glacier in the Tibetan Plateau and discovered 28 completely new virus samples.
Video: Dangerous germs hidden in Arctic ice are melting
Scientists warn climate change is melting permafrost, which can release many dangerous bacteria and viruses that are dangerous to humans.