Stars stop a silent volcano

Article Abstract:

Mauna Kea, in Hawaii, is a long quiet volcano, atop which astronomers are using the world's largest collection of telescopes to better understand the origin and evolution of the universe. Thirteen telescopes of various kinds aid research among which, Keck I and II are the best-known telescopes.

Hawaii, Evaluation, Discovery and exploration, Evolution (Biology), Volcanoes, Evolution, Mauna Kea

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The killing lakes

Article Abstract:

In 1980 two lakes in Cameroon released carbon dioxide gas into the atmosphere, resulting in the deaths of 1,700 people. A description of the attempts to degas the lake before it releases more gas are presented.

Health aspects, Carbon dioxide, Natural disasters, Cameroon, Lake Nyos

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Musseling in

Article Abstract:

The introduction of Zebra mussels and other aquatic organisms to new environments could reduce biodiversity on a global scale. The organisms travel from port to port in ship's ballast tanks.

Biological diversity, Biodiversity, Animal migration, Zebra mussels, Zebra mussel

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