If Manhattan had the same population density as Alaska, there would only be 15 people living there.
138
A volcano has enough power to shoot ash as high as 50 km into the atmosphere.
59
Check your map! The Pacific entrance of the Panama Canal is farther East than the Atlantic entrance.
40
The Sahara desert expands at about 1km per month.
90
There are approximately three chickens for every human on Earth.
13
There are more than 50,000 earthquakes throughout the world every year!
47
More than 25% of the world's forests are in Siberia.
51
The Caspian Sea is also classed as the world's largest lake.
52