"I do think there are advantages to schools with more recognition," notes Marybeth Gasman, a professor of higher education at the University of Pennsylvania.
But the research raises profound ethical questions, because human embryos - typically conceived in vitro - are destroyed so that stem cells may be harvested.
Their suspicions about water ice beneath the surface of Mars confirmed, scientists and the world will have renewed interest in the outcome of the soil analyses currently being conducted by the lander.
We renewed our commitment to clean, safe and peaceful nuclear energy, which must be a right for all nations that live up to their responsibilities under the NPT.
Their parents have reunited (their mother was a Fulbright scholar at Columbia University when they had to flee), and two brothers were born in America.