Jellyfish Lake: A brackish body of water in Palau with a toxic bottom and surface waters teeming with millions of jellyfish.
El Cono: A mysterious pyramidal hill rising above the Amazon rainforest and revered as the spirit of the mountain.
The Pacific Northwest has so far been immune to rising sea levels. A mega-earthquake could change its fate in an instant.
In a rare evolutionary event, a strange relative of the platypus has gone from living in the water to living on land.
What is 'induced atmospheric vibration' and is it really the cause of power outages in Spain and Portugal?