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Tea Party backed senators Ted Cruz of Texas and Mike Lee of Utah got into a rhetorical fight with fellow Republican Sen. Bob Corker of Tennessee, who accused them of grandstanding.

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.

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.

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.

A small box found near Mont Blanc contained rubies, sapphires and emeralds thought to be worth more than $330,000. Authorities suspect they had been on board one of two Indian passenger planes that crashed in the area — one in 1950; one in 1966. The climber who found the treasure turned it in.

By 2015, Facebook and other social networking sites will have to allow California minors to delete embarrassing posts. But the law is riddled with loopholes, and teens won't be protected any more than they already are.

A Senate bill to keep the federal government open for six weeks is expected to pass and move to the House, where GOP lawmakers insist they will insert deal-breaking language to defund Obamacare.

In pursuit of beauty, women around the globe subject themselves to complicated and bizarre, not to mention dangerous, procedures. In the West, that can mean going for darker skin. In Africa and parts of Asia, the opposite is the goal. Seriously, a sister just can't win.

Can online comments be redeemed? That conversation, plus highlights from our tech coverage on-air and online, are in our latest week in review.

The students plan to make the nutritious "power flour" with grasshoppers, weevils and caterpillars. Their goal is to make insect-based food products available year-round to people living in some of the world's poorest slums.