Researchers have nailed down something scientists, government officials and agribusiness proponents have argued about for years: whether antibiotics in livestock feed give rise to antibiotic-resistant germs that can threaten humans.
Historian Andrew Preston first became interested in the overlap between religion and America's foreign policy decisions while teaching an undergraduate class on American foreign policy in the days leading up to the 2003 invasion of Iraq.
One of the fastest-growing online businesses is the business of spying on Internet users. Using sophisticated software that tracks people's online movements through the Web, companies collect the information and sell it to advertisers.
Every time you click a link, fill out a form or visit a website, advertisers are working to collect personal information about you, says Joseph Turow, a professor at the Annenberg School for Communication at the University of Pennsylvania. They then target ads to you based on that information.