New compound defeats drug-resistant bacteria

It's no wonder that medicine's effort to combat bacterial infections is often described as an arms race. When new drugs are developed to combat infections, the bacterial target invariably comes up with a deterrent.

Successful once, protesters may hesitate to return to streets

As the long-term impact of the Arab Spring continues to take shape, research from political scientists at Princeton University and New York University warns that the protests that swept across the Middle East and North Africa ...

The photo tag is back on Facebook

Tagging photos is hardly new on Facebook. In 2012, Facebook temporarily suspended the feature to make what it called technical improvements. This may or may not have had something to do with the outcry from privacy advocates ...