For scientists who study a dangerous form of bird flu, 2012 is ending as it began — with uncertainty about what the future holds for their research, but a hope that some contentious issues will soon be resolved.
There's nothing like the distinctive "pop" of the uncorking of a bottle of bubbly to create a sense of celebration. Whether it's Dom Perignon or a $10 sparkling wine, bubbles add pizazz.
Sparkling-wine lovers sometimes point to the glittering streams of tiny bubbles as an important attribute. Why? Well, tiny bubbles are a sign of age, explains French chemist Gerard Liger-Belair, author of Uncorked: The Science of Champagne.
Arizona DREAM Act Coalition staff members, other advocacy group representatives and young immigrants line up in Phoenix last August for guidance about the federal program called Deferred Action, that would help illegal immigrants avoid deportation.