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Ecology

Plant life saved Earth from an icy fate

Besides the obvious benefits they bring, it looks like we owe our very existence to plants, which helped prevent the Earth from freezing over during the past 25 million years. About 50 million years ago, Earth was a hothouse –… read more
Himalaya

Biodiversity

  To the teacher: This assignment is based on some recent texts on diversity, Classes can use it to learn something about modern research on nature conservation, but it is also a good subject to make them aware of a… read more

Foxes in northern henhouse

Humans thinking to improve nature can be terribly wrong! A good example of the unexpected effect of human intervening in nature: HOW FOXES IN THE ALEUTIAN HENHOUSE DOOMED ISLANDS’ PLANT LIFE Foxes may not graze, but a new scientific study… read more

Easter Island, a lesson for us all

Easter Island is one of the world’s most remote places inhabited by people: 2500 miles from the nearest continent (South America) and 1200 miles from the nearest island (Pitcairn). At the same time it is one of the most enchanting… read more