NPR News

For the past decade, scientists have been toying with the notion of encapsulating medicine in microscopic balls.

These so-called nanospheres could travel inside the body to hard-to-reach places, like the brain or the inside of a tumor. One problem researchers face is how to build these nanospheres, because you'd have to make them out of even smaller nanoparticles.

Richard Branson is not your average entrepreneur. He dropped out of school at 15 and, despite suffering from dyslexia and attention deficit disorder, went on to found Virgin Group, a business empire that includes airlines, cellphone companies, banks, hotels, health clubs and even a space travel business.

The U.S. Supreme Court returns on Wednesday to the emotional issue of affirmative action in higher education. The court will once again hear oral arguments on the issue, this time in a case from the University of Texas.

Over the past 35 years, the court has twice ruled that race may be one of many factors in determining college admissions, as long as there are no racial quotas. Now, just nine years after its last decision, the justices seem poised to outright reverse or cut back on the previous rulings.

My first protocol on rooting in sports is that you should stick with the teams that you grew up with. I know we're a transient society, but that's just it: Continuing to cheer for your original hometown teams is one way of displaying the old-fashioned value of allegiance.

If you grew up in Cleveland, say, and moved somewhere Sun Belt-ish, I know how hard it is, but the measure of whether you are a good person is that you must remain loyal to the Browns and Indians and that team that LeBron James left behind.