Canada
Historical mystery solved as golf ball-sized diamond reappears after 100 years in unusual location
The jewel left Europe as members of a royal family fled the scourge of the Nazis
Aquarium threatens mass execution of beluga whales as it faces 'devastating decision'
The Marineland amusement park has seen 20 whales die under its watch in just six years
Fault line on Canadian border could cause major earthquake, scientists fear
Geological structure may be approaching a dangerous phase in its seismic pattern
