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In some countries, it's easier to get HIV drugs than an old-fashioned form of penicillin that prevents heart damage from rheumatic fever, scientists say. The world's supply of this type of penicillin has dwindled over the past few decades, but rheumatic fever hasn't.

During a Senate Intelligence Committee hearing, NSA Director Gen. Keith Alexander would not say.

People tend to throw whole pieces of paper in the recycling bin — and fragments of paper in the trash. Research on the trend finds that we may be acting on unconscious prejudice about what is worth recycling.

Josh Lampert's parents helped him through a rough period and, in his opinion, saved his life. "You do that for your kids," says his father, Chuck.

Los Angeles Unified School District started issuing iPads to its students this school year, as part of a $30 million deal with Apple. But less than a week after getting their iPads, hundreds of students had found a way to bypass software blocks meant to limit what websites the students can use.

It's not just sports teams that win championships. It's also their fans who endure long seasons hanging on every pitch, touchdown or basket. David Greene finds out what it's like to be on the cusp of either a championship — or a disaster.

As the military-backed government in Cairo continues its offensive against the Muslim Brotherhood, there is also a widening crackdown on the media. Army officers now call the shorts at State TV, and independent journalists are under increasing pressure to toe the line.

A study by an international panel of scientists shows that the researchers are confident about the links between human activity, global warming and climate change.

How did the creators of Breaking Bad get millions of fans to stick by a meth-cooking drug lord season after season? The crafty use of an old editing technique in the pilot let us see the world through Walt's eyes, a film psychologist says, making it easier to excuse his immoral choices later on.

Long silky strands were seen falling across the skies of North Texas this week. It turns out, these were web strands as long as 20 feet and floating for miles. The webs were produced by a large cluster of baby spiders that had just hatched. They use the long silk line to migrate.