Swiftly moving sun-like stars at the center of the Milky Way may help researchers learn more about the galaxy's mysterious bulge there, according to findings presented at the American Astronomical Society meeting. Researchers found that those stars move at different speeds depending on their chemical composition, a finding that could help them determine how long ago the bulge formed.
Salmonella genomes have been found in DNA samples taken from the teeth of 10 skeletons buried in Oaxaca, Mexico, providing evidence that the bacteria caused the "cocoliztli" epidemic in the 1500s in what is now Guatemala, Mexico and Peru. Researchers said Europeans carried the disease with them when they arrived in Mesoamerica.
A partnership between Dartmouth-Hitchcock Medical Center in Lebanon, N.H., and Boston's Brigham and Women's Hospital has been awarded a $3.7 million grant from the American Heart Association to study therapies for peripheral artery disease. The research will focus on ways to limit the need for limb amputation due to severe artery obstruction.
A group founded by an anonymous bitcoin investor has awarded $4 million to the Multidisciplinary Association for Psychedelic Studies to fund research into the use of MDMA to treat such mental health conditions as post-traumatic stress disorder. The unnamed Pineapple Fund founder said, "We're offering the matching grant because we think the psychedelic and cryptocurrency communities can work together to finish funding Phase III clinical trials."
Students at a middle school in Washington state recently decided on questions that would be addressed through a live video link to Mark Vande Hei, a US astronaut on the International Space Station. Students asked about climate change on Earth and food in space.
Spending on public education in the US rose by 2.8% during the 2014-15 school year, according to data from the National Center for Education Statistics. This marked the second consecutive year of spending increases following the national 2008 recession.
A school district in Alabama that is home to car manufacturers Toyota and Mazda plans to align its curriculum to match the needs of the employers, says Superintendent Michael Douglas. The automakers recently announced plans for a $1.6 billion manufacturing facility in the area.
High-school students in Montana have been working since August to build a house as part of a career-preparation program. The initiative has support from the local construction industry, with representatives saying they need skilled workers.
High-school students can begin enrolling in courses at the Alaska Petroleum Academy under a new grant-funded program. The program will allow students to earn relevant certifications to work in the oil industry.
High-school students in Las Vegas recently presented their inventions before a panel of business experts in a contest modeled after the "Shark Tank" television show. One team presented Conditional Cubes, which can be programmed to complete certain tasks.