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A set of enigmatic quasar ghosts mark the graves of these objects that flickered to life and then faded. 8 unusual looped structures orbit their host galaxies and glow in a bright and eerie goblin-green hue. The ethereal wisps in these images were illuminated, perhaps briefly, by a blast of radiation from a quasar - a very luminous and compact region that surrounds a supermassive black hole at the center of a galaxy - and Hubble was there to catch it. 
The first object of this type was found in 2007 by Dutch schoolteacher Hanny van Arkel participating in the Galaxy Zoo project, which catalogs the Sloan Digital Sky Survey (SDSS). The bizarre feature was dubbed Hanny's Voorwerp (Dutch for Hanny's object).

Patients with cancer often adopt lifestyle changes and those include being sold on the benefits of supplements, but there is growing concern about the use of supplements while taking anti-cancer drugs due to possible effect on treatment outcomes. A new study has found that consuming  three kinds of fish oils, as well as the fish herring and mackerel, raised blood levels of the fatty acid 16:4(n-3), which experiments in mice have found may induce resistance to chemotherapy used to treat cancer.

Stage IV cancer patients and their caregivers don't agree on the value of another year of life versus other end-of-life improvements. Cancer is an expensive proposition emotionally and also financially. High-cost treatments may result in only moderate improvements in length or quality of life. Because such decisions are very difficult for patients to make, in some cases the decision is entirely deferred to a family caregiver.  

Alcoholism can not just ruin your life, it can shorten it - an average of 7.6 years shoter for those hospitalized compared to hospital patients without it, according to patient data from various general hospitals in Manchester, England.The long-term observational study included a 12.5-year period. The researchers analyzed co-morbid physical illnesses of 23,371 hospital patients with alcohol dependence and compared them with those of a control group of 233,710 randomly selected patients without alcoholism. 

Type 2 diabetes is becoming increasingly widespread throughout the world and lifestyle habits, such as exercise and nutrition, are the biggest culprits.

In the 1942 short story "Runaround", author Isaac Asimov came up with Three Laws of Robotics and those fictional ethics have captivated engineers ever since.Maintaining the spirit of Asimov, Dr. Eduardo Morales Manzanares of the National Institute of Astrophysics, Optics and Electronics (INAOE) in Mexico has developed robots with artificial intelligence that don’t require specialized personnel to be controlled.Instead, software allows the robot named Sabina to be able to learn with the guide of the user, either through a remote control or through voice commands or simply by showing the automaton tasks, as one would teach a toddler. That means anyone can program it without being an expert in robotics

Modern technology for healing distal femur fractures is as safe and effective as its more established alternative, but without the potential shortfall of the older approach.
A new study found that when done correctly, there are no significant differences between "locked plating" and "non-locked plating" in terms of healing rates, need for corrective surgery, or hardware failure.

The number of total hip replacements (THRs) nearly doubled among middle-aged patients between 2002-2011, primarily due to the expansion of the middle-aged population in the U.S., according to a new study presented today at the 2015 Annual Meeting of the American Academy of Orthopaedic Surgeons (AAOS). Continued growth in utilization of hip replacement surgery in patients age 45 to 64, an increase in revision surgeries for this population as they age, and a nearly 30 percent decline in the number of surgeons who perform THR, could have significant implications for future health care costs, THR demand and access.

As the world looks to American innovation to fight Ebola, malaria, tuberculosis, and a host of other health threats, a new report released today on Capitol Hill warns budget battles in Washington are eroding preparedness at home and abroad at a time when scientific advances are poised to deliver new lifesaving drugs, vaccines, and diagnostics.

Young adolescents' judgements on how risky a situation might be are most influenced by what other teenagers think, while most other age groups are more influenced by adults' views, finds a new survey by psychologists.

BioBlast Pharma Ltd. has announced positive preclinical in vitro and in vivo proof-of-concept study results for its mitochondrial protein replacement therapy drug candidate (BB-FA) for Friedreich's Ataxia.
Friedreich's Ataxia is an inherited disorder characterized by progressive deterioration of the muscular and nervous system that begins in the first or second decade of life and results in gait disturbance (ataxia), cognitive impairment, progressive heart disease and diabetes. According to Friedreich's Ataxia Research Alliance (FARA), about 1:50,000 people in the U.S. suffer from Friedreich's Ataxia. Most patients are wheelchair-bound within 15 years of diagnosis.

Antioxidants provide long-term protection against the chain reactions of free radical processes, in other words, of the molecules that are capable of causing cell damage and generating various diseases. Free radicals harm our body by causing, in the best of cases, ageing and, in the worse, serious diseases. Lettuce is rich in antioxidants, as it contains compounds like phenolic acids, flavonoids, anthocyanins, and vitamins A and C, among other things.
Green, semi-red and red leaves