Cosmic Ray News

• Genes
  Cancer
  Brain Tumor
  Lung Cancer
  Ovarian Cancer
  Breast Cancer
   

  Deficiency in P53 Anti-Tumor Protein Delays DNA Repair After Radiation

  April 23, 2013 — Researchers have found that a deficiency in an important anti-tumor protein, p53, can slow or delay DNA repair after radiation treatment. They suggest that this is because p53 regulates the ... > full story
• Cosmic Rays
  Black Holes
  Space Telescopes
  Astrophysics
  NASA
  Space Exploration
   
  

  Distant Blazar Is a High-Energy Astrophysics Puzzle

  April 18, 2013 — Blazars are the brightest of active galactic nuclei, and many emit very high-energy gamma rays. New observations of the blazar known as PKS 1424+240 show that it is the most distant known source of ... > full story
• NASA
  Astronomy
  Space Exploration
  Space Telescopes
  Black Holes
  Stars
   
  

  X-Ray View of a Thousand-Year-Old Cosmic Tapestry

  April 17, 2013 — A long Chandra observation reveals the SN 1006 supernova remnant in exquisite detail. By overlapping 10 different pointings of Chandra's field-of-view, astronomers have stitched together a cosmic ... > full story
• Geomagnetic Storms
  Sun
  Solar Flare
  Atmosphere
  Northern Lights
  Astronomy
   
  

  NASA's Wind Mission Encounters 'SLAMS' Waves

  April 16, 2013 — To tease out what happens at that boundary of the magnetosphere and to better understand how radiation and energy from the sun can cross it and move closer to Earth, NASA launches spacecraft into ... > full story
• Black Holes
  Cosmic Rays
  Stars
  Astrophysics
  Astronomy
  Galaxies
   
  

  Strange New Bursts of Gamma Rays Point to a New Way to Destroy a Star

  April 16, 2013 — Scientists have pinpointed a new type of exceptionally powerful and long-lived cosmic explosion, prompting a theory that they arise in the violent death throes of a supergiant ... > full story

  More: 

  • Dying Supergiant Stars Implicated in Hours-Long Gamma-Ray Bursts
• Medical Devices
  Medical Technology
  Today's Healthcare
  Medical Imaging
  Technology
  Wounds and Healing
   
  

  Researchers Devise X-Ray Approach to Track Surgical Devices, Minimize Radiation Exposure

  April 16, 2013 — Researchers have developed a new tool to help surgeons use X-rays to track devices used in "minimally invasive" surgical procedures while also limiting the patient's exposure to radiation from the ... > full story
• Spintronics
  Materials Science
  Physics
  Electricity
  Graphene
  Optics
   
  

  Neighbors Move Electrons Jointly: Ultrafast Collective Electron Transfer After Excitation of Single Electron

  April 16, 2013 — Applying femtosecond x-ray methods, researchers have observed an extremely fast, collective electron transfer of ~100 molecular ions after excitation of a single electron in a crystal of transition ... > full story
• Today's Healthcare
  Medical Imaging
  Medical Devices
  Diseases and Conditions
  Cancer
  Bioethics
   

  Picture This: A Dramatic Drop in Wrong Patient Errors

  April 15, 2013 — Adding a photo of a face to X-ray images can reduce "wrong-patient" errors five-fold, a new study ... > full story
• Saturn
  Solar System
  Astronomy
  Space Exploration
  Space Probes
  NASA
   
  

  Blame It on the Rain (from Saturn's Rings): More Charged Water Particles Fall Than Thought

  April 10, 2013 — A new study tracks the "rain" of charged water particles into the atmosphere of Saturn and finds there is more of it and it falls across larger areas of the planet than previously thought. The study, ... > full story
• Nature of Water
  Inorganic Chemistry
  Physics
  Graphene
  Chemistry
  Materials Science
   

  Liquid on Liquid Goes Solid

  April 10, 2013 — Not all liquids are mixable. Researchers have investigated chemical processes with atomic resolution at the interface between two such liquids and have made an exciting discovery. They observed the ... > full story

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