It's a natural question to wonder if cutting off economic ties with a country can truly stop an authoritarian regime from attacking its own people and if it can truly get it to give up power after four decades of family rule, as Obama demanded.
Arizona voters approved a constitutional amendment establishing an "independent" commission to decide where the lines get drawn. The intent was to avoid the self-interest of having the Legislature draw its own districts. But the commission is taking political flak — even before it releases any maps.
There's a revolution underway in biology. Scientists are coming to understand genetics isn't just about genes. Just as important are smaller sequences of DNA that control genes.
These so-called regulatory elements tell genes when to turn on and off, and when to stop functioning altogether. A new study suggests that changes in these non-gene sequences of DNA may hold the key to explaining how all species evolved.
An exhibition basketball game between Georgetown University's Hoyas and the Bayi Rockets descended into a brawl and then a full-on melee Thursday, one day after visiting Vice President Joe Biden stopped by to watch Georgetown play another team, the Shanxi Brave Dragons, in Beijing.
Both the Rockets and the Brave Dragons are professional teams. In Wednesday's game, the Hoyas beat the Brave Dragons, 98-81.
Roche Genentech developed a new melanoma drug for people with advanced cases.
Credit FABRICE COFFRINI / AFP/Getty Images
The Food and Drug Administration has approved a new drug to treat advanced melanoma, the deadliest form of skin cancer. The drug got the green light faster than many other drugs under review, and advocates of personalized medicine say this bodes well for other gene-based drugs in development.