SEC again rejects Winkelvoss twins Bitcoin fund

US market regulators on Thursday again rejected a proposal to allow trading in the first Bitcoin-based exchange-traded fund created by noted tech entrepreneurs Cameron and Tyler Winklevoss.

Tracing the history of farming in the Amazon

A geographer from Northumbria University, Newcastle is leading on a £340,000 research project to examine how ancient civilisations in one of the most remote and inhospitable areas of the Amazon farmed their land.

Snow in the Andes as clean as Canadian Arctic: study

Snow covering the Andes mountains is as clean as the Canadian Arctic, scientists said Friday after hundreds of tests to determine the presence of black carbon deposits or other pollutants.

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