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Study: Ancient megavolcanoes killed half the world’s species

New rock dating techniques have helped narrow the timeframe of a chain of massive volcanic eruptions that wiped out half the world’s species 200 million years ago, a study said Thursday. The result is the most precise date yet — 201,564,000 years ago — for the event known as the…

‘Planetary emergency’ due to Arctic melt, experts warn

Experts warned of a “planetary emergency” due to the unforeseen global consequences of Arctic ice melt, including methane gas released from permafrost regions currently under ice. Columbia University and the environmental activist group Greenpeace held separate events Wednesday to discuss US government data showing that the Arctic sea ice has…

Columbia University to offer ‘Occupy Wall Street’ course

Add becoming an Ivy League college course to the list of accomplishments for the “Occupy Wall Street” protests. According to The New York Post, Columbia University’s anthropology department will offer a full credit course about the national and global demonstrations next semester, titled “Occupy the Field: Global Finance, Inequality, Social…