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Lena Katakura's father is 81. He was recently diagnosed with esophageal cancer and doctors don't expect him to survive the illness. Katakura says a nurse at their Honolulu hospital gave them a form to fill out to indicate what kind of treatment he'd want at the end of life.

Researchers have answered a question that has been nagging them for years: Exactly how long is a day on the planet Saturn? The result (10 hours and 32 minutes or so) was published this week in the journal Nature, and could teach scientists more about the giant, ringed planet.

A day is simply how long it takes a planet to spin all the way around. On Earth, one rotation takes 23 hours, 56 minutes and 4 seconds — though earthlings round up to 24 hours even.

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Time now for some talking birds.

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UNIDENTIFIED ANNOUNCER: Ray Brown's Talkin' Birds.

Shane Avery practices family medicine in Scott County, Ind. In December, a patient came to his office who was pregnant, and an injection drug user.

After running some routine tests, Avery found out that she was positive for HIV. She was the second case he had seen in just a few weeks.

"Right then, I kind of realized, 'Wow, are we on the tip of something?' " Avery says. "But you just put it away. ... It's statistically an oddity when you're just one little doctor, you know?"

Can you spend your way out of an historic drought? Not really, but the consensus in Sacramento these days seems to be that money certainly helps.

Just days after it was introduced, California Gov. Jerry Brown signed his sweeping $1.1 billion emergency drought relief bill today.

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