Studies fitting chickens with prosthetic “dinosaur tails”, looking at the plausibility of fathering 888 children, and discovering the most painful bee sting points on the body are all among the latest winners of “Ig Nobel” awards.

Authorities lifted tsunami warnings for Chile’s long coastline early on Wednesday after a magnitude 8.2 earthquake struck the South American nation’s northern coast.

An earthquake shook the Chilean capital today, causing people to flee into the streets, but there were no initial reports of damage.

A magnitude-7.1 earthquake shook southern Chile, prompting tens of thousands to flee the coast for higher ground amid fears it could generate a tsunami like the one that ravaged the area last year.

Former Chilean dictator General Augusto Pinochet has taken full responsibility for the first time for the actions of his 1973-90 dictatorship, in which thousands were killed.