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Science News Archive September 2018 - Page 18


Page 18 of 37

Study IDs why some TB bacteria prove deadly

Researchers found that a single mutation in TB bacteria makes them resistant to antibiotics and elicits a weaker immune response, leading to higher mortality rates. The study suggests that the same approach may not work for drug-resistant TB strains.

SourceWashU Medicine·JournalNature Microbiology·DateSep 17, 2018

Witnessing violence in high school as bad as being bullied

A longitudinal study by researchers found that witnessing school violence in Grade 8 increases the risk of psycho-social and academic impairment in Grade 10. The study also revealed that bystander effects were similar to being victimized, with minor forms of violence predicting increases in social anxiety and depressive symptoms.

SourceUniversity of Montreal·JournalJournal of Epidemiology and Community Health·DateSep 17, 2018

Either too much or too little weight gain during pregnancy is associated with adverse outcomes in children aged 7 years

Research by Professor Wing Hung Tam and colleagues found that excessive or inadequate weight gain during pregnancy is associated with increased risk of cardiometabolic problems in children aged 7, including higher blood pressure and poor blood sugar control. The study suggests balancing weight gain to minimize adverse outcomes while co...

SourceDiabetologia·JournalDiabetologia·DateSep 17, 2018

Updated Estimates of frequency of adverse childhood experiences

A new study finds that people from black, Hispanic, and multiracial backgrounds, those with lower education levels and income, and the unemployed are more likely to have experienced childhood trauma. The most common adverse childhood experiences include emotional abuse, parental separation, and household substance abuse.

SourceJAMA Network·JournalJAMA Pediatrics·DateSep 17, 2018

Customized bio-synthetics

University of Konstanz chemist Professor Stefan Mecking has developed a method to synthesize tailor-made bio-synthetics by precisely determining the length of molecular chains. The newly synthesized material exhibits an extraordinary layered structure with great potential for application in high-tech membranes, such as batteries and wa...

Do rock climbers seek out high-risk climbs?

A study found that rock climbers seek out sites with more single-pitch routes, better landscapes, and lower median difficulty to reduce injury risk. The results suggest that decreasing injury risk generates significant welfare gains for climbers, with estimated values ranging from $18 to $327 per site.

SourceSociety for Risk Analysis·JournalRisk Analysis·DateSep 17, 2018