Today is 170 years since the destruction of Lisbon. The earthquake of All Saints day 17550 in Lisbon changed a nation and is still remembered across the continent. Hence a republication of our ...

The Earth is full of riches. Once people discovered the importance of metals, they quickly found out where to get them from. The first mined metal may have been copper. When mixed with tin, this ...

A fun question: which are the southernmost, most equatorial and northernmost volcanoes in the world? We need to add two provisos here, otherwise this question is impossible to answer: the volcano ...