Archive: 11/13/2007

'Time-sharing' tropical birds key to evolutionary mystery

Whereas most birds are sole proprietors of their nests, some tropical species “time share” together – a discovery that helps clear up a 150-year-old evolutionary mystery, says Queen’s University Biology professor ...

Nov 13, 2007 4.9 / 5 (11) 0

River restoration poorly coordinated, evaluated

The process of river restoration in the U.S. is uncoordinated at almost every level. Project scales are rarely linked to goals, and evaluation is rarely reported or used to assess whether these goals are achieved. A new study ...

Nov 13, 2007 5 / 5 (2) 0