The interception of the letters appears to demonstrate the effectiveness of security protocols put into place after the anthrax attacks in 2001. The letter that already tested positive for ricin is undergoing further analysis.
The top 80 collegiate teams from all over the world will compete in the sixth annual Quidditch Cup this weekend. Yes, it's an actual sport.
Marijuana tax could be a new source of revenue for strapped states, and the federal government, too, say two congressmen who have proposed such legislation. But the scale of any tax benefit is hotly disputed.
This week's round-up of Good Reads includes a look at elusive and isolated Amazon tribes, signs of progress across Africa, the well-being of Americans, and the savvy of US voters.