While high-profile athletes struggled in 2010, others are poised to make their marks in 2011
Asian demand is keeping gasoline prices unusually high this winter
Web developers hope Facebook sharing will extend to class notes
New efforts to mine gas hydrates could revolutionize energy production
A nuclear North Korea would be a nightmare, but the regime's huge conventional force could wreak havoc on the South
And other news briefs
Outside the ranks of the highly educated, the institution of marriage is weakening
The repeal of 'Don't Ask, Don't Tell' brings big challenges for the military and its chaplains
