Economics

Geologists are sceptical: a study claims that earthquakes can generate gold nuggets through quartz

Historic discovery in this country: tunnels filled with pure gold worth millions of dollars, belonging to a province

Unprecedented discovery: plant found that produces gold and can be grown at home

This is the country with the largest gold reserves: it produces 130 tonnes

Put vinegar in the frying pan before frying eggs: the secret that few people know

Turn off the heating in rooms that are not in use: experts make this clear once and for all

No T-shirts or napkins: this is the trick opticians use to make glasses look like new

End of driving licences for people over 75: from now on, they will no longer be able to drive

The latest trend in grey hair: hairdressers predict it will be the star look this Christmas

Historic discovery: thousands of tonnes of gold found more than 1,900 metres above sea level