The new plan for destroying invasive pythons

Male pythons surgically implanted with inch-long radio transmitters that are then tracked by plane every two weeks. The hope is the male will lead to a female.

Scientists release most detailed map of Teton quake fault

Scientists have completed the most detailed map yet of one of North America's most spectacular geologic faults with the hope of providing a better understanding of the earthquake risk at a popular vacation destination.

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National park

A national park is a reserve of land, usually declared and owned by a national government, protected from most human development and pollution. National parks are protected areas of IUCN category II. The largest national park in the world is the Northeast Greenland National Park, which was established in 1974. According to The World Conservation Union IUCN, there are now 6,555 national parks worldwide (2006 figure).

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