Rescuers rush art works to higher floors as floodwater strikes ornate Baroque buildings restored after wartime bombing.
The people of the Slovakian capital breathe a cautious sigh of relief but the danger has not yet passed, says the BBC's Nick Thorpe.
At least seven die after a bridge in Minneapolis over the Mississippi river collapses, hurling cars into the water.
US officials find a possible design issue in the collapsed Minneapolis bridge as divers find two more bodies.
Scientists unearth fossil remains of a human-like creature that looks set to blur still further the already murky picture of man's evolution.
Archaeologists discover thousands of mummies in a Lima shanty town dating from the last decades of the Inca civilisation.
Virtually all dogs evolved from just a handful of wolves tamed by humans living in or near China less than 15,000 years ago.
Scientists analyse fat residues on pots to show ancient Britons were keeping animals for milk at least 6,500 years ago.
Archaeologists rediscover a huge rock art site in India where inhabitants used the local rocks to make musical sounds.
Humans made their first tentative steps towards farming 23,000 years ago, much earlier than previously thought.