The big heat

Article Abstract:

Mass extinctions have occurred on Earth five times, and these include the Cretaceous mass extinction, ending the dinosaurs, and the Permian and Triassic mass extinctions. The Triassic mass extinction could be linked to vulcanic activity which led to global warming through an increase in amounts of carbon dioxide. Research on this hypothesis has been carried out by Jennifer McElwain and others at Sheffield University, England. The researcher argue that this global warming led to plant deaths, which in turn led to a shortage of plants for animals to eat, affecting the food chain as a whole. Other mass extinctions could also be linked to vulcanic activity.

Mass extinction, Paleobotany, Mass extinction theory, Triassic period

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Know thyself

Article Abstract:

Jim Clark is successful at founding companies such as Silicon Graphics and Netscape. His strengths lie in entrepreneurship and venture capitalism and he knows when to leave a company. He has also set up Healtheon and myCFO, which have seen changes in their stock prices. He is confident that they will perform well over the long term, and his investment in Netscape proved to be profitable. He will not be running myFCO, which is an attraction for investors.

Business, Management, Business ethics, Clark, JIm

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Don't know why

Article Abstract:

Storms are increasing in frequency throughout the world as the plant continues to warm gradually. Climatologists are uncertain as to whether there is a link between global warming and unstable weather patterns.

Environmental aspects, Storms

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