The question makes a lot of sense and has given rise to different paradoxes throughout the history of mathematics.

Scientists denounce the effects of diving with this species and ask whether tourist activities are harmful to the animals

A study in 'The Lancet' indicates that 1.5 million deaths could be avoided through prevention, and another 800,000 if all women had access to optimal care

What are known as fairy circles are circular patterns that appear naturally in arid areas. They are circles of bare soil surrounded by rings of vegetation, which until now had only been described in the desert regions of…