Scientific Discovery

Extended Radiation Exposure could speed up Alzheimer’s disease in Astronauts

Credit: National Cancer Institute Unknown Photographer - PD

(Best Syndication News) - A recent animal study suggests that cosmic radiation could speed up the onset of Alzheimer’s disease in astronauts traveling on deep space missions. The scientists published their findings in the journal PLOS ONE.

Senior study author, M. Kerry O’Banion, M.D., Ph.D., a professor in the University of Rochester Medical Center (URMC) Department of Neurobiology and Anatomy, explained the cancer health risk factor due to radiation exposure in space has already been acknowledged. However, their researchers wanted to see if there was a risk for developing cognitive problems from the radiation exposure, which could lead to an accelerated onset of Alzheimer’s disease.

The Earth’s magnetic field provides protection from much of the radiation, but when astronauts travel into space they exposed to a variety of radioactive particles.

Mountains on Hawaiian Islands dissolving from the Inside

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(Best Syndication News) - It will not be happening anytime soon, but scientists believe that groundwater and streams are dissolving mineral material from within the mountains of Hawaii eventually causing the landmass to flatten. Surface erosion will not be the largest contributor to flattening these mountains and scientists believe this process will take more than 1.5 million years just to start.

Before the terrain flattens, the mountains of Oahu will continue to rise in elevation as the island is pushed to the northwest. The mountains should continue to rise for 1.5 million years, explained scientists from the Brigham Young University.

Two Free eBooks about NASA’s Hubble and James Webb Space Telescopes available

Credit: NASA and STScI

(Best Syndication News) – The Space Telescope Science Institute released two free eBooks which discuss the NASA Hubble Space Telescope and the NASA James Webb Space Telescope. The free eBooks can be read with an Apple iPad or through the free iBooks app. There is also a downloadable PDF version available for those people who are not set up with a reader.

The new eBooks are written at a high-school reading level and give a thorough explanation of the telescope’s functions and the images that were captured along the way. Scientific minded individuals will be fascinated to learn more about the history of telescopes and of the deep-space discoveries. The photos captured by the telescopes are astounding and beautiful to look at from an artistic perspective.

West Antarctic Ice Sheet exposed to Warmer than expected Temperatures

Henry Brecher, Ohio State University, research associate (now retired) at Byrd Polar Research Center, took this picture in winter 1959-1960. The sign reads: Astronomical Position Observed Here. Credit: Photo by Henry Brecher, courtesy of Ohio State University. Usage Restrictions: None

(Best Syndication News) - The West Antarctic Ice Sheet (WAIS) has the potential of melting at a faster pace because the temperature increased twice as much as expected. The average annual temperatures recorded at the Byrd Station increased 4.3 degrees Fahrenheit compared to 1958. The research findings were published in the online edition of the journal Nature Geoscience.

This temperature increase is three times faster than the average temperature rise around the world. David Bromwich, professor of geography at Ohio State University and senior research scientist at the Byrd Polar Research Center, noticed the warming trends were occurring during the summer months – December through February – and the temperature increase is almost double what previous research had suggested.

December 21, 2012 marks the End of the Mayan Calendar

December 21, 2012 end of Mayan Calendar - BSN

(Best Syndication News) - For years, the doomsday soothsayers have been forewarning of a doomsday scenario for December 21, 2012. NASA has received so many inquiries about this doomsday event that they have presented several discussions disputing the end of the world. NASA is so certain the end is not coming that they have created several videos debunking the doomsday predictions.

NASA says people are contacting them with various scenarios. One reason the agency has been contacted involves the idea that ancient Sumarians talked about a planet called Nibiru (or Planet X) that will enter into Earth's orbit. This Planet X could supposedly change the way the Earth spins; some people think that Noah's flood was caused by Nibiru. The Nibiru prediction failed the first time in May 2003, and then the prediction was moved to December 2012. NASA said that no such planet has been spotted heading our way.

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