Mount Nyiragongo erupts in the DRC

Eruption of volcano Mount Nyiragongo in the Democratic Republic of Congo. How the discovery of SIV (simian immunodeficiency virus) in wild chimpanzees increases understanding of the origin of HIV/Aids. Archaea microbes found deep in the earth could survive on other planets or moons in our solar system. Testing hybrid vigour in water fleas in Finland. Russian scientist claims experimental proof of quantum gravity. How goats are producing spider silk.