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Cardiovascular disease affects around 46 percent of men and 48 percent of women but scholars in Florida are concerned that Apollo astronauts have died from related diseases 43 percent of the time. Why be worried, when it is lower? Because they have exceptional government health care, not the kind people under the Affordable Care Act get, and that means in a spacefaring environment, there could be unforeseen issues.

It is well-documented that age is the biggest risk factor for all diseases, and cardiovascular disease is the big killer of Americans. The Apollo program began 50 years ago so it is no surprise elderly astronauts have heart issues.

Electronic cigarettes have grown in popularity as an alternative to traditional cigarette smoking - the idea is that since they are just nicotine vapor, users will not be placed in peril by the 200 toxic chemicals in cigarette smoke.

Still, they are controversial. The government does not allow them to be marketed for smoking cessation because no company is large enough to survive regulatory approval - except tobacco or pharmaceutical companies, which many e-cigarette users regard as the problem.

A University of Colorado Cancer Center study compared outcomes of leukemia patients receiving bone marrow transplants from 2009-2014, finding that three years post transplant, the incidence of severe chronic graft-versus-host disease was 44 percent in patients who had received transplants from matched, unrelated donors (MUD) and 8 percent in patients who had received umbilical cord blood transplants (CBT). Patients who received CBT were also more likely to no longer need immunosuppression and less likely to experience late infections and hospitalizations. There was no difference in overall survival between these two techniques. Results are published in the journal Bone Marrow Transplant.

Perovskite solar cells are the rising star in the photovoltaic landscape. Since their invention, less than ten years ago, their efficiency has doubled twice and it is now over 22% - an astonishing result in the renewable energy sector. Taking the name 'perovskite' from the light-harvesting layer that characterizes them, these solar cells are lighter, cheaper, and more flexible than the traditional crystalline silicon-based cells.

Researchers at The University of Queensland have contributed to the discovery of three new genes which increase the risk of motor neuron disease (MND), opening the door for targeted treatments.

Professor Naomi Wray from UQ's Queensland Brain Institute was involved in the data analysis as a part of an international study of more than 30,000 people.

"These three new genes open new opportunities for research to understand a complex and debilitating disease which currently has no effective treatments," Professor Wray said.

"Crucially, we hope Australian patients will be included in the next phase of the study, thanks to funds raised by the Ice Bucket Challenge."

Light from a distant galaxy can be strongly bent by the gravitational influence of a foreground galaxy. That effect is called strong gravitational lensing. Normally a single galaxy is lensed at a time. The same foreground galaxy can - in theory - simultaneously lens multiple background galaxies. Although extremely rare, such a lens system offers a unique opportunity to probe the fundamental physics of galaxies and add to our understanding of cosmology. One such lens system has recently been discovered and the discovery was made not in an astronomer's office, but in a classroom. It has been dubbed the Eye of Horus (Fig. 1), and this ancient eye in the sky will help us understand the history of the universe.

Classroom Research Pays Off