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A solar observatory in New Mexico reopened Monday after being closed by authorities for 10 days — which spawned national interest and speculation into the cause of its evacuation.

Let's get this out of the way: Scientists say that aliens were not involved.

On Sept. 6, the Sunspot Solar Observatory was suddenly closed by the Association of Universities for Research in Astronomy, the consortium that operates it, without public explanation.

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TERRY GROSS, HOST:

When researchers first discovered a link in the late 1990s between childhood adversity and chronic health problems later in life, the real revelation was how common those experiences were across all socioeconomic groups.

Any doubts that science has a dark side were extinguished when, on August 6, 1945, an American Air Force B-29 bomber dropped the atomic bomb Little Boy on Hirsoshima.

Three days later, Fat Man, a plutonium implosion-type bomb, was dropped in Nagasaki, prompting Japan to surrender.

Shirley Avedon, 90,­­ had never been a cannabis user. But carpal tunnel syndrome, which sends shooting pains into both of her hands, and an aversion to conventional steroid and surgical treatments are prompting her to consider some new options.

"It's very painful; sometimes I can't even open my hand," Avedon says.

So for the second time in two months, she has climbed aboard a bus that provides seniors at the Laguna Woods Village retirement community in Orange County, Calif., with a free shuttle to a nearby marijuana dispensary.

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