Ecotourism giving rare iguanas a sweet tooth

Ecotourists feeding grapes to rock iguanas on remote islands in the Bahamas have given them a sweet tooth and high blood sugar, researchers said Thursday, warning of unknown effects on the health of the vulnerable reptiles.

Discovery of rare lava lake on remote sub-Antarctic island

A team of scientists has discovered a rare lava lake on a remote and inaccessible sub-Antarctic island. There are around 1500 land-based volcanoes on Earth, but despite the popular perception of steaming bubbling lava pools ...

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