From Costa Rica’s Great Balls to Death Valley’s wandering rocks: The 10 bizarre phenomena that still have scientists baffled
- Great balls of Costa Rica date back to 600AD yet their purpose is unknown
- In Serbia and Japan, frogs and other wildlife are said to fall from the sky
- Stones slide across the ground under a mysterious force in California
- While no one knows how vast shapes appeared in Peruvian sand
Scientists have spent centuries uncovering the many mysteries of the natural world, yet some phenomena still baffle even the sharpest of scientific minds.
From strange lights in the sky following earthquakes to rocks that spontaneously glide across the ground, these naturally-occurring events from around the world seem to have no purpose or meaning.
Source: Mail Online