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Biceps bulge, calves curve, 50-year-old assumptions muscled aside

By Sandra Hines

July 9, 2013

The basics of how a muscle generates power remain the same: Filaments of myosin tugging on filaments of actin shorten, or contract, the muscle – but the power doesn’t just come from what’s happening straight up and down the length of the muscle, as has been assumed for 50 years. The rest of the force should be credited to the lattice work of filaments as it expands outward in bulging muscle – whether in a body builder’s buff biceps or the calves of a sinewy marathon runner.

Link between low vitamin D blood levels and heart disease varies by race

By Leila Gray

Low vitamin D levels are linked to higher risk of heart disease in whites and Chinese, but not in blacks or Hispanics. The findings underscore the importance of designing medical research that includes a diverse ethnic and racial makeup of participants.

School policies reduce student drinking – if they’re perceived to be enforced

By Doree Armstrong

Every middle and high school has a policy against drinking alcohol on campus, but not all students follow the rules. New research suggests students are less likely to drink if they believe their school will strictly enforce its policy.

UW gas-, electric-powered cars claim 1st and 2nd in national contest

By Michelle Ma

June 27, 2013

The University of Washington Formula Motorsports team took first place at the Formula Society of Automotive Engineers competition held June 19-22 in Lincoln, Neb.

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