Anthropologist Kirk French and civil engineer Christopher Duffy of Penn State report on a conduit designed to deliver pressurized water to Palenque, an urban center in southern Mexico, more than 1,400 years ago. "The ancient Maya are renowned as great builders, but are rarely regarded as great engineers.
In The News
March 9, 2010--Pueblo Reservoir at highest level in a decade (Denver Post)
Pueblo Reservoir has more water than it has for the past decade as managers move water from other storage facilities. The federal Bureau of Reclamation, which operates the reservoir, says it has 261,200 acre-feet of water, or about 85 billion gallons. That's the most since March 2000.
March 8, 2010--Federal regulators launch probe of big agriculture (Denver Post)
Some Obama administration officials have made clear their unease with the increasing control a handful of corporations have over the nation's food supply, and this week in Iowa they could show whether they are serious about changing the system. The first joint workshops on agriculture by regulators at the U.S.
March 7, 2010--Bill pitting river enthusiasts, landowners runs into rough waters in Senate (Denver Post)
A bill that could buoy or sink Colorado's rafting industry and affect hundreds of thousands of river enthusiasts and landowners may have floated through the House, but it's on the rocks in the Senate. The Capitol battle pits two core Colorado values against each other: the love of the outdoors and the allegiance to personal property rights.
March 6, 2010--Legislature OKs senator's energy bill (Durango Herald)
Sen. Bruce Whitehead's renewable energy bill passed the Legislature on Friday in a 21-13 vote, but even before it passed, the bill generated enough heat to raise temperatures in the Senate. House Bill 1001 lifts the renewable power standard for Colorado's biggest utilities to 30 percent by 2020. It is one of Gov.
