Researchers found pseudarthrosis (lack of bone regrowth) to be five times more likely after a polyetheretherketone (PEEK) interbody spacer device had been used to bridge the gap between vertebrae during cervical spine surgery than after a structural (bone) allograft had been used.
University of Adelaide economists have modelled the transition from a world powered by fossil fuels to one in which sustainable sources supply all our energy needs.
University of Adelaide researchers have delved into the realm of Star Wars and created a powerful tractor beam – or light-driven energy trap – for atoms.
It has been long debated whether the Graduate Record Examinations (GREs) are an appropriate selection tool for graduate school admissions, and whether overreliance on GRE scores may exclude many students historically underrepresented in science, technology, engineering and math (STEM) fields.
A subset of patients with low-risk breast cancer is highly unlikely to see cancer return following breast conservation surgery but can lower that risk even further with radiation therapy, finds a new long-term clinical trial report. These 12-year follow-up data from the only prospective, randomized trial to compare recurrence outcomes after treatment for low-risk ductal carcinoma in situ (DCIS) were presented last week at the 60th Annual Meeting of the American Society for Radiation Oncology (ASTRO).
Adding radiation therapy or surgery to systemic therapy for stage IV lung cancer patients whose cancer has spread to a limited number of sites can extend overall survival time significantly, according to new results from a multicenter, randomized, controlled phase II study. The findings were presented last week at the 60th Annual Meeting of the American Society for Radiation Oncology (ASTRO).
A new study shows most Americans underestimate just how concerned minorities and lower-income people are about environmental threats, including members of those groups.
Warmer temperatures are pushing mountain-dwelling birds ever higher as they try to stay in their comfort zone. That's the conclusion of a group of scientists who retraced the steps of a 1985 expedition in the Peruvian Andes and documented how birds had shifted in the intervening 30 years. The new study also shows that species that were already living on the ridge-top now have smaller ranges and some have disappeared altogether compared with the 1985 survey.
Researchers at the University of Notre Dame studying tumors in prostate cancer models found that nitration of an amino acid can inhibit T-cell activation, thwarting the T-cell’s ability to kill cancer cells.
Scientists at Scripps Research and their collaborators have created microorganisms that may recapitulate key features of organisms thought to have lived billions of years ago, allowing them to explore questions about how life evolved.
All bee larvae eat royal jelly when they’re new, but only future queens continue to eat it. To figure out why, researchers in Austria are taking a close look at the molecular ingredients of the fancy fare.
Researchers at Lawrence Berkeley National Laboratory and the Joint Center for Artificial Photosynthesis have developed an artificial photosynthesis device called a “hybrid photoelectrochemical and voltaic cell” that turns sunlight and water into two types of energy – hydrogen fuel and electricity.
Mass shootings often trigger a sharp increase in blood donations for affected communities but more than 15 percent of the product intended to save lives could be discarded, according to a study released today in The Journal of Trauma and Acute Care Surgery.
Biologists have discovered a new way of re-sensitizing drug-resistant tumor cells to DNA-damaging agents, the most widely used group of cancer drugs. Researchers describe how a gene known as Schlafen 11 controls the sensitivity of tumor cells to DDAs. Their research may pave the way to new strategies to overcome chemotherapeutic drug resistance.
Baby formula is designed to mimic human breast milk as closely as possible. A new study from Washington University School of Medicine in St. Louis finds that formula and breast milk nurture the growth of intestinal bacteria capable of producing differing metabolites. The health implications of these differences are unknown.
A new Northwestern Medicine study published in the Journal of Trauma and Acute Care Surgery analyzed the blood resource needs and blood donations in Las Vegas compared to other mass shooting incidents offering insight into medical needs following a mass shooting incident, which may help guide preparedness for future events.
Either exorbitantly expensive fuel or insanely hot temperatures have made fuel cells a boutique proposition, but now there's one that runs on cheap methane and at much lower temperatures. This is a practical, affordable fuel cell and a "sensation in our world," the engineers say.
WASHINGTON – What drives someone to support or participate in politically or religiously motivated acts of violence, and what can be done to prevent them? While one factor may be a search for meaning in life, research published by the American Psychological Association suggests people may be further driven by an increased need for excitement and feeding that need with thrilling but non-violent alternatives may curb the desire.
A dormant volcano in Antarctica helped researchers at Sandia National Laboratories improve sensor data readings to better detect earthquakes and explosions and tune out everyday sounds such as traffic and footsteps. Finding the ideal settings for each sensor in a network to detect vibrations in the ground, or seismic activity, can be a painstaking and manual process. Researchers at Sandia are working to change that by using software that automatically adjusts the seismic activity detection levels for each sensor. Sandia tested the new software with seismic data from the Mt. Erebus volcano in Antarctica and achieved 18 percent fewer false detections and 11 percent fewer missed detections than the original performance of the sensors on Mt. Erebus.
Veterans with combat-related post-traumatic stress disorder were less anxious and depressed and had an improved quality of life after an eight-week therapeutic horseback riding program, according to a Baylor University study.
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