North American diets require more land than we have: Study

Public Release: 9-Aug-2018 University of Guelph Credit: University of Guelph If the global population adopted recommended North American dietary guidelines, there wouldn’t be enough land to provide the food required, according to a new study co-authored by University of Guelph researchers. The researchers found that global adherence to United States Department of Agriculture (USDA) guidelines…

Laziness helped lead to extinction of Homo erectus

Public Release: 10-Aug-2018 Australian National University IMAGE: This is Dr. Seri Shipton in the Arabian Peninsula. Image: ANU. Credit: ANU New archaeological research from The Australian National University (ANU) has found that Homo erectus, an extinct species of primitive humans, went extinct in part because they were ‘lazy’. An archaeological excavation of ancient human populations…

Bad Breath quickly eliminated by a Ginger compound

Bad Breath quickly eliminated by a Ginger compound Bad Breath quickly eliminated by a Ginger compound As the results of this study show, the pungent principle of ginger, the so-called 6-gingerol, makes the level of the enzyme sulfhydryl oxidase 1 in saliva increase 16-fold within a few seconds. The saliva and breath analyses carried out…

A kernel of promise in popcorn-powered robots

Public Release: 2-Aug-2018   Cornell University ITHACA, N.Y. – Cornell University researchers have discovered how to power simple robots with a novel substance that, when heated, can expand more than 10 times in size, change its viscosity by a factor of 10 and transition from regular to highly irregular granules with surprising force. You can…

‘Strange metals’ just got stranger

Public Release: 2-Aug-2018 A material already known for its unique behavior is found to carry current in a way never before observed Florida State University TALLAHASSEE, Fla. — Scientists at the Florida State University-headquartered National High Magnetic Field Laboratory have discovered a behavior in materials called cuprates that suggests they carry current in a way…

Depression linked to low blood levels of acetyl-L-carnitine

Depression linked to low blood levels of acetyl-L-carnitine Depression linked to low blood levels of acetyl-L-carnitine In the latest study, the scientists measured levels of LAC (acetyl-L-carnitine) in blood samples taken from people diagnosed with MDD. They found that levels were significantly decreased in these patients, as compared to age-matched individuals without depression. Additional analysis…

Hospital-associated bacterial species becoming tolerant to alcohol disinfectants

Public Release: 1-Aug-2018   American Association for the Advancement of Science A multidrug-resistant bacterial species that can cause infections in hospitals is becoming increasingly tolerant to the alcohols used in handwash disinfectants, a new study finds. The analysis of bacterial samples taken from two Australian hospitals over 19 years suggests that the species Enterococcus faecium…

Study reveals the Great Pyramid of Giza can focus electromagnetic energy

Public Release: 30-Jul-2018 Scientists created a model of the pyramid resonant electromagnetic response ITMO University An international research group applied methods of theoretical physics to investigate the electromagnetic response of the Great Pyramid to radio waves. Scientists predicted that under resonance conditions the pyramid can concentrate electromagnetic energy in its internal chambers and under the…

Energy-intensive Bitcoin transactions pose a growing environmental threat

Public Release: 31-Jul-2018   New study assesses tax and regulatory options to incentivize the development of ‘green’ blockchain technologies and discourages use of polluting applications Elsevier   Caption Bitcoin’s peer-to-peer transaction verification is a polluting process, requiring machine hardware around the world to run at a high rate, 24 hours a day, producing vast amounts…