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Science News Archive November 2017 - Page 40


Page 40 of 42

How toxic air clouds mental health

A University of Washington study found a direct connection between toxic air and mental health, with fine particulate matter linked to increased psychological distress. The study, which controlled for other factors, showed that even moderate levels of pollution can be detrimental to health, particularly among specific populations.

SourceUniversity of Washington·JournalHealth & Place·DateNov 2, 2017

Wrinkles give heat a jolt in pillared graphene

Pillared graphene's thermal transport was found to be faster with wrinkles due to reduced phonon scattering. The optimal configuration involves three octagons instead of six heptagons, facilitating a smoother turn without significantly stressing the graphene.

SourceRice University·JournalACS Applied Materials & Interfaces·DateNov 2, 2017

Time to rewrite the dinosaur textbooks? Not quite yet!

A team of international experts has re-evaluated a radical proposal to split dinosaurs into two new groups, finding that the evidence is not strong enough to overthrow traditional classification models. The study suggests that the most likely site of origin for dinosaurs is still in the southern hemisphere, particularly South America.

SourceUniversity of Bristol·JournalNature·DateNov 1, 2017

Topical gel made from oral blood pressure drugs shown effective in healing chronic wounds

Researchers at Johns Hopkins Medicine have developed a topical gel made from common blood pressure pills that block inflammation pathways, speeding up the healing of chronic skin wounds. The gel was shown to be effective in accelerating wound healing in mice and pigs, with one concentration showing significant benefits.

SourceJohns Hopkins Medicine·JournalJournal of Investigative Dermatology·DateNov 1, 2017

Subset of stem cells identified as source for all cells in blood and immune systems

A study by Fred Hutchinson Cancer Center has identified a specific subset of adult blood stem cells responsible for regenerating the entire blood and immune system. The 5% subset, marked as CD34+CD45RA-CD90+, was found to rebuild all different cells of the blood and immune system within 10 days after being infused in nonhuman primates.

SourceFred Hutchinson Cancer Center·JournalScience Translational Medicine·DateNov 1, 2017

In vitro tissue microarrays for quick and efficient spheroid characterization

A new technology bridges clinical pathology assessment, high-content analysis, and 3D cell cultures, allowing rapid, automatable, and multiplex readouts. This technique is applied to mixed arrays made up of spheroid models from various cell lines, demonstrating its potential for safety and efficacy testing and model optimization.

Life on the edge

New research reveals that 85% of forest vertebrates are impacted by fragmentation, with some species flourishing at the edge and others disappearing due to habitat loss. The study highlights the need for conservation efforts to protect species dependent on intact forest core areas.

SourceNewcastle University·JournalNature·DateNov 1, 2017

Can corals adapt to climate change?

A recent study published in Science Advances suggests that corals can adapt to warmer oceans if global emissions are controlled. The research found genetic variants in some corals that make them more heat tolerant, but may not be enough to keep up with the rapid warming predicted by climate models.

SourceUniversity of California - Davis·JournalScience Advances·DateNov 1, 2017