(Phys.org)—Researchers have identified a burst of high-energy radiation known as ‘dark lightning’ immediately preceding a flash of ordinary lightning. The new finding provides observational evidence that the two phenomena are connected, although the exact nature of the relationship between ordinary… Original post on phys.org Comments on reddit.com
Tag Archives: radiation
Chernobyl death toll: How many cancer cases are caused by low-level radiation?
When the Chernobyl nuclear reactor exploded in 1986, experts predicted as many as 40,000 extra cancer deaths from the radiation spewed onto parts of what was then the Soviet Union. Friday is the 27th anniversary of the disaster. How many people has Chernobyl killed so far? We’ll probably never know…. Original post on slate.com Comments on reddit.com
Radioactive bacteria attack cancer: Nature News – Comment
Approach turns tumours’ immune suppression from strength to weakness. Original post on nature.com Comments on reddit.com
Astrophysics: Fire in the hole!: Nature News – Comment
Will an astronaut who falls into a black hole be crushed or burned to a crisp? Original post on nature.com Comments on reddit.com
8th century gamma ray burst irradiated the Earth, study finds
(Phys.org)—A nearby short duration gamma-ray burst may be the cause of an intense blast of high-energy radiation that hit the Earth in the 8th century, according to new research led by astronomers Valeri Hambaryan and Ralph Neuhӓuser. The two scientists, based at the Astrophysics Institute of the… Original post on phys.org Comments on reddit.com
Houston, we have another problem: Study shows space travel is harmful to the brain
As if space travel was not already filled with enough dangers, a new study out today in the journal PLOS ONE shows that cosmic radiation – which would bombard astronauts on deep space missions to places like Mars – could accelerate the onset of Alzheimer’s disease. Original post on phys.org Comments on reddit.com
Mars is safe from radiation – but the trip there isn’t – space – 21 November 2012
The Curiosity rover suggests radiation levels on the Red Planet are the same as those astronauts face in low Earth orbit, but the journey there is risky Original post on newscientist.com Comments on reddit.com
Mars radiation levels tolerable to humans – Light Years
By Elizabeth Landau, CNN The Mars rover Curiosity has revealed that the radiation levels on Mars are not, according to initial measurements, lethal to humans. Original post on cnn.com Comments on reddit.com
TSA removes X-ray body scanners from major airports
Desire to speed up checkpoints, not safety, driving scanner switch. Original post on arstechnica.com Comments on reddit.com
The mystery of dark matter may be near to being deciphered – Niels Bohr Institute – University of Copenhagen
With the latest observations from the Planck satellite, researchers from the Niels Bohr Institute, among others, may be closer than ever to a solution to the origin of the mysterious dark matter Original post on ku.dk Comments on reddit.com
Scientists find mutant butterflies exposed to Fukushima fallout – Tecca
In the wake of last year’s massive earthquake and subsequent tsunami in Japan, the Fukushima nuclear power plant on the country’s northeast coast… Original post on tecca.com Comments on reddit.com
Report: Mutated butterflies found near Fukushima – CBS News
Genetic damage discovered in butterflies near epicenter of Japan’s nuclear disaster; Several reports of radioactive wildlife Original post on cbsnews.com Comments on reddit.com
German renewables output hits record high in H1 – Reuters
BERLIN, July 26 (Reuters) – Germany produced 67.9 billionkilowatt hours of renewable energy in the first half of 2012, arecord high and an increase of 19.5 percent from the same periodlast year, industry Original post on reuters.com Comments on reddit.com
Have the Odds of Finding Life on Mars Increased? -The August 5th “Curiosity” Science-Lab Landing
New NASA research that lays out the optimal depths and locations to probe for organic molecules like those that compose living organisms as we know them, could help the newest Mars rover scout for evidence of life beneath the surface… Original post on dailygalaxy.com Comments on digg.com
Milky Way’s Black Hole to Swallow Giant Cloud Soon – Space.com
Scientists are eager to observe a large gas cloud fall into the Milky Way’s central supermassive black hole, Sagittarius A*. Original post on space.com Comments on reddit.com
Supernova Could Have Caused Mysterious “Red Crucifix” in the Sky in A.D. 774: Scientific American
An ancient text suggests that an eighth-century jump in carbon 14 levels in trees could be explained by a previously unrecognized supernova explosion Original post on scientificamerican.com Comments on reddit.com
All-carbon solar cell harnesses infrared light – MIT News Office
New type of photovoltaic device harnesses heat radiation that most solar cells ignore. Original post on mit.edu Comments on reddit.com
Explosions, Military Helicopters Near Blacked Out Radiation Zone
Explosions matched with unmarked helicopters, A-10 Thunderbolts, and military personnel are now being reported at the radiation zone. Original post on naturalsociety.com Comments on reddit.com
Mysterious radiation burst recorded in tree rings: Nature News & Comment
Spike in carbon-14 levels indicates a massive cosmic event — but supernovae and solar flares ruled out. Original post on nature.com Comments on reddit.com
NASA – Building 45 Payloads for Balloon Mission
Dartmouth scientists are building 45 payloads–each destined for a trip on a balloon around Antarctica as part of NASA’S BARREL mission. Original post on nasa.gov Comments on digg.com
Fukushima Radiation Tracked Across Pacific Ocean – Japan Nuclear Plant Disaster – LiveScience
An ocean expedition off the coast of Japan found high levels of radioactive material released by the Fukushima nuclear power plants during the nuclear disaster last March. Original post on livescience.com Comments on reddit.com
Stephen Hawking celebrates his 70th birthday – Channel 4 News
Channel 4 News speaks to Professor Stephen Hawking’s biographer, celebrating the achievements of a man who was told he wouldn’t live much beyond 22 – as he becomes a septuagenarian. More