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ScienceDaily (May 29, 2011) — Low intensity warm-ups enhance athletic performance and long warm-ups can sabotage it. University of Calgary Faculty of Kinesiology researcher Elias Tomaras says the idea came to him while watching track and field sprinters warm-up for a race. "If you watch sprinters, short distance speed skaters or cyclists before their race, they will often warm-up for one to two hours, including several brief bouts of high intensity exercise. From an exercise physiology point of view, it seemed like it might be pretty tiring." See Also: Health & Medicine * Fitness * Sports Medicine * Chronic Illness...

WASHINGTON - In Arizona, one House candidate called party officials idiots. In Rhode Island, ad-makers turned a Senate hopeful into a political pinata. And that's just Republicans attacking Republicans ahead of Tuesday's nine-state primary night, the busiest of the year. For some candidates on the ballot, Democratic Sen. Hillary Rodham Clinton of New York among them, the primaries are a warm-up of sorts in advance of the fall re-election campaign and then a possible 2008 race for the White House. For other successful politicians, they are a winnowing process. That is the situation in Maryland, where Rep. Ben Cardin and...

SACRAMENTO Sierra Nevada snow levels are far above normal as warm temperatures hit California and flood-wary residents wait for the spring runoff, but officials predicted Thursday that reservoirs would be able to handle the extra water. The state Department of Water Resources said its last check of the 2005-2006 rainy season found a Sierra snowpack that averaged 180 percent of normal water content for this time of year. Levels were higher than that average in the northern Sierra 207 percent of normal and lower in the central and southern parts of the mountain range 169 percent and 175 percent, respectively....