What if testing yourself for cancer or other diseases were as easy as testing your blood sugar or taking a home pregnancy test? In a few years, it might be.
It's one of life's little annoyances: that last bit of shampoo that won't quite pour out of the bottle. Or the last bit of hand soap, or dish soap, or laundry detergent.
While events like the Arab Spring brought hope that the internet could inspire the growth of democracy in authoritarian countries, a new study offers a reality check.