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Last month, physicists predicted the formation of accretion disks and relativistic jets that warp and bend more than previously thought, shaped both by the extreme gravity of black holes and by powerful magnetic forces generated by their spin. 

Black holes, absences at the center of both galaxies and science fiction, shape the growth and death of stars around them through both their powerful gravitational pull and explosive ejections of energy - a pull so strong close to a black hole that even light cannot escape from within, hence the difficulty in observing them directly. 

Sociologists have found that student loans provide more help to women than they do for men in encouraging graduation from college but, on average, taking out loans makes graduation more likely for all students.

Yet the debt eventually  has diminishing returns and becomes less effective at boosting chances of graduation -  about $2,000 lower for men than for women. Part of the reason may be because the job prospects for male college dropouts are better for men than women.

Unlike comets, asteroids don't have a trail - with some exceptions.

Spanish researchers observed using the Gran Telescopio Canarias and discovered that something happened around July 1st, 2011 that caused a trail to appear on P/2012 F5 (Gibbs) - perhaps an internal rupture or a collision with another asteroid.

In many animals, the brain is located in a specific structure like the head, along with sensory organs and often together with the mouth.

However, there are distantly related animals which have a nervous system but no brain, like sea anemones and corals.

In a new paper, the sea anemone Nematostella vectensis was used to find out if one of the ends of the sea anemone corresponds to the head of higher animals. To do this the researchers studied the function of genes that control head development in higher animals during the embryonic development of the starlet sea anemone. 

Schizophrenia may affect up to 1 percent of the population, it is diagnosed primarily in the teenage or early adult years, and is associated with problems in mental ability and memory.

People who have a greater familial genetic link to schizophrenia are more likely to see a fall in IQ as they age, even if they do not develop the condition, according to psychologists in a new paper. 

Genome-wide association studies (GWAS) have not found genetic causes for schizophrenia but familial instances are considered a risk factor. The psychologists used genetic analysis matched with IQ test results to reach their conclusion on how thinking skills change with age. 

A lifelong diet rich in omega-3 fatty acids can inhibit growth of breast cancer tumors by 30 percent, according to new research published in the Journal of Nutritional Biochemistry, which they say is the first to provide unequivocal evidence that omega-3s reduce cancer risk.

Breast cancer remains the most common form of cancer in women worldwide and is the second leading cause of female cancer deaths. Advocates have long believed diet may significantly help in preventing cancer but epidemiological and experimental studies to back up such claims have been lacking, and human studies have been inconsistent.