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Science News Archive August 2018 - Page 33


Page 33 of 41

Older adults who get physical can lower their heart disease risk

A recent study published in the Journal of the American Heart Association found that older adults who spend less time sitting and more time engaged in light to vigorous physical activity benefit from healthier levels of heart and vessel disease markers. The results showed that increased physical activity was particularly beneficial for...

SourceAmerican Heart Association·JournalJournal of the American Heart Association·DateAug 8, 2018

Mission: Possible -- mapping dangerous terrain

Researchers are creating self-guided packages made of biodegradable materials to map coastlines and sea bottoms. These devices aim to dissolve upon reaching shore, providing up-to-date information on potentially hostile regions. Additionally, a swarm of drones will be developed using cameras, sonar, and sensors to evade tracking, with ...

Oral delivery of nanoparticles

Researchers have successfully designed nanoparticles that can be absorbed through the intestine and into the bloodstream when taken orally. The modified particles showed improved uptake in rats, with about 47% making it into the blood, compared to 7% for unmodified particles.

SourceAmerican Chemical Society·JournalACS Nano·DateAug 8, 2018

How people view crime depends on the politics of when they were growing up

A recent study published in the British Journal of Criminology reveals that people's perceptions of crime are heavily influenced by the political climate of their youth. Researchers analyzed data from the British Crime Survey and found a strong correlation between respondents' current fears about crime and the political generation they...

SourceOxford University Press USA·JournalThe British Journal of Criminology·DateAug 7, 2018

Capturing elephants from the wild shortens their lives

A study analyzing records of timber elephants in Myanmar found that even years after capture, wild-caught elephants' mortality rate remains increased and their average life expectancy is several years shorter compared to captive-born animals. This highlights the negative effects of capture on the long-term well-being of elephants.

SourceUniversity of Turku·JournalNature Communications·DateAug 7, 2018

Alzheimer's disease and type 2 diabetes: Hope for inhibitors against amyloid plaques

Scientists at TUM have discovered a new class of designed macrocyclic peptides that are highly potent inhibitors of amyloid formation, which could be an alternative to current antibody-based approaches. The researchers are now planning further investigations to verify their effectiveness in in vivo models.

SourceTechnical University of Munich (TUM)·JournalAngewandte Chemie International Edition·DateAug 7, 2018