For millennia, people across the globe have reported alarmed animal behaviour in the run-up to natural disasters. Could these signals be used to warn us of impending catastrophes?
The 2011 disaster triggered developments in everything from energy generation, smartphones, transport and emergency response technology.
Inside the most comprehensive disaster response training facility in the world.
After recent tragedies, the need to tell where and when a quake will strike has never been more urgent. Ed Yong explains why this is still an impossible task.
