News tagged with low density

Can dark energy be explained by symmetrons?

(Phys.org)—A field that permeates the universe and gives rise to a new force, or "fifth force," between massive objects may be a candidate for dark energy and an explanation for why the expansion of the ...

Jan 28, 2013 feature
4 / 5 (32) 60 | with audio podcast

One in five U.S. teenagers has high cholesterol

(PhysOrg.com) -- A study by the U.S. Centers for Disease Control and Prevention (CDC) and published in their Morbidity and Mortality Weekly Report, has found that over 20% of teenagers in the U.S. have elevated cholesterol levels ...

Jan 25, 2010 report
3 / 5 (3) 1 | with audio podcast