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Wild tiger numbers higher than previously thought

There are 40 percent more tigers in the wild than previously thought, but with a maximum of 5,578 on the prowl, they remain an endangered species, conservationists said Thursday.

Early urbanism found in the Amazon

More than 20 years ago, Dr. Heiko Prümers from the German Archaeological Institute and Prof. Dr. Carla Jaimes Betancourt from the University of Bonn, at that time a student in La Paz, began archaeological excavations on ...

Study: Climate change a major factor in South Africa floods

The fatal floods that wreaked havoc in South Africa in mid-April this year have been attributed to human-caused climate change, a rapid analysis published Friday by a team of leading international scientists said.

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