'Invisible' gold could be worth $24 billion in South Africa
The Witwatersrand region has tailings hills containing an estimated $24 billion worth of gold, which can be mined using new, more efficient methods.Discover the most lonely creature on the planet
Biological experts are stunned to find a whole new strain of bacteria at a depth of 2.8 km underground.The most sunny cities in the world
These are places where the sun can light 90% of the time. Therefore, the lives of those city residents also have more outdoor activities.Rare footage: A piece of meteorite hits the ground, illuminating a sky
But are you sure this is a meteor? NASA only discovered this a few hours before it hit the ground.