Why is Grandma’s brain slower? She knows way too much

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German researchers are challenging decades of cognitive testing results, disputing the notion that your grandma’s healthy brain is in a state of decline just because she’s getting older.

Adulthood, they say, is not one long journey into the abyss where  “memories dim … and problem-solving abilities diminish.” Continue reading

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Updated: The solar ‘vortex’

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solarflare

Updated: A privately-built rocket whose launch was delayed because of the massive solar flare will take off from NASA’s Wallops Flight Facility in Virginia at 1:07 p.m. EST today. With clear skies over Pittsburgh today, you might be able to catch the Antares rocket streaking across the sky. Or you can watch a webcast of the launch live on SPACE.com, courtesy of NASA TV, beginning at 12:45 p.m. EST.

Update 2: The launch was successful.

Original post: NASA on Wednesday released a photo of solar flare that was seven times bigger than the Earth and delayed a private rocket launch to the Space Station.  Continue reading

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Sun feasts on comet for Thanksgiving

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Comet ISON moves ever closer to the sun in this image from ESA and NASA's Solar and Heliospheric Observatory, or SOHO, captured at 9:30 a.m. EST on Nov. 28, 2013.  This image is a composite with the sun imaged by NASA's Solar Dynamics Observatory, or SDO, in the center, and SOHO showing the solar atmosphere, the corona. Photo by ESA&NASA/SOHO/SDO

Comet ISON moves ever closer to the sun in this image from ESA and NASA’s Solar and Heliospheric Observatory, or SOHO, captured at 9:30 a.m. EST on Nov. 28, 2013.  Photo by ESA&NASA/SOHO/SDO

It was supposed to be the Thanksgiving comet. But it looks like starwatchers won’t have any leftovers.

NASA scientists at the Solar Dynamics Observatory just tweeted sad news:

“We do not see Comet #ISON.” Continue reading

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