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151,360 articles from ScienceDaily

How anesthetics affect brain functions

Modern anesthesia is one of the most important medical achievements. Whereas before, patients had to suffer hellish agonies during every operation, today anesthesia enables completely painless procedures. One feels nothing and can remember nothing afterwards. It is already known from electroencephalography (EEG) studies on patients that during anesthesia the brain is put into a deep sleep-like...

Curbing other climate pollutants, not just CO2, gives Earth a chance

Slashing emissions of carbon dioxide by itself isn't enough to prevent catastrophic global warming, a new study shows. But if we simultaneously also reduce emissions of methane and other often overlooked climate pollutants, we could cut the rate of global warming in half by 2050 and give the world a fighting chance.

Researchers develop algorithm to divvy up tasks for human-robot teams

Researchers have developed an algorithmic planner that helps delegate tasks to humans and robots. The planner, 'Act, Delegate or Learn' (ADL), considers a list of tasks and decides how best to assign them. The researchers asked three questions: When should a robot act to complete a task? When should a task be delegated to a human? And when should a robot learn a new task?

Reference genomes provide first insights into genetic roots of mustelid physiological and behavioral diversity

Mustelids are the most ecologically and taxonomically diverse family within the order Carnivora. From the tayra in the neotropics to the wolverine in the subarctic, they inhabit a variety of ecological niches and developed corresponding species-specific traits related to their diet, reproductive strategy and morphology. An international team of scientists conducted a comparative analysis of whole...

Desire for son in Nepal may impact on girls' health and wellbeing -- new study

The desire for a son could mean Nepali mothers stop breastfeeding infant daughters sooner, says new research. Girls in Nepal are breastfed for fewer months than boys on average, with girls with older sisters but no brothers being the most disadvantaged, says the study. And this shorter breastfeeding time is linked to a greater risk of death for Nepali infants in the study.

Cystic fibrosis: Restoring airway integrity

Cystic fibrosis is a rare genetic disease which can cause very serious symptoms. In particular, patients suffer from chronic bacterial infections that can lead to respiratory failure. It is caused by mutations in the CFTR gene, which regulates water movement across the cell membrane. Consequently, mucus quality is altered, it is no longer capable of capturing undesirable bacteria and expelling...

MONDAY 23. MAY 2022

Microbes can degrade the toughest PFAS

Engineers now report selective breakdown of a particularly stubborn class of PFAS called fluorinated carboxylic acids (FCAs) by common microorganisms. Under anaerobic conditions, a carbon-carbon double bond is crucial for the shattering the ultra-strong carbon-fluorine bond by microbial communities. The resulting products could be relayed to other microorganisms for defluorination under in aerobic...

Charting a safe course through a highly uncertain environment

Researchers have developed a trajectory-planning system for autonomous vehicles that enables them to travel from a starting point to a target location safely, even when there are many different uncertainties in the environment, such as unknown variations in the shapes, sizes, and locations of obstacles.

Small adaptations, major effect: Researchers study potential of future public transportation

Being mobile individually, at any time -- without owning a car: To facilitate this, public transportation authorities cooperate with service providers for new forms of mobility such as bicycle sharing, car sharing, or ridepooling. Researchers have studied how publicly available mobility options in the Karlsruhe region in the future can optimally fulfill the citizens' needs. The result: Widespread...