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Science News Archive July 2020 - Page 41


Page 41 of 47

The electrified brain

Researchers at Charité - Universitätsmedizin Berlin have identified a specific nerve bundle as the optimal target for deep brain stimulation in obsessive-compulsive disorder. The study's findings may improve treatment outcomes for patients with severe OCD, which affects over 2% of people worldwide.

SourceCharité - Universitätsmedizin Berlin·JournalNature Communications·DateJul 6, 2020

New insights into van der Waals materials found

The study observed a rare phenomenon known as the dynamic breaking of Friedel's Law in layered van der Waals materials, where the pairs of Bragg peaks show opposite oscillating patterns. This unique behavior is attributed to the lattice structure of the material and its effect on electron diffraction.

SourcePenn State·JournalACS Nano·DateJul 6, 2020

Do we know what we want in a romantic partner? No more than a random stranger would

A study by UC Davis researchers suggests that people's ideal partner preferences do not reflect any unique personal insight. Participants who listed their top three attributes in an ideal partner showed increased romantic desire for others who possessed those same attributes, regardless of whether they were acquaintances or strangers.

SourceUniversity of California - Davis·JournalJournal of Experimental Social Psychology·DateJul 6, 2020

New vitamin K-based drug shows promise against medication-resistant epilepsy

Researchers at the Medical University of South Carolina have developed a vitamin K-based compound that eliminates medication-resistant epileptic seizures in mice. The compound works by increasing brain cells' ability to produce energy and protects mitochondrial health, making it a promising new treatment option for those with epilepsy.

SourceMedical University of South Carolina·JournalJournal of Medicinal Chemistry·DateJul 6, 2020

Coconut confusion reveals consumer conundrum

A new study reveals that coconut oil production threatens more species per ton produced than palm or other vegetable oils, with 20 threatened species affected per million tons. The research highlights the difficulties of conscientious consumption due to a lack of objective guidance on environmental impacts.

SourceUniversity of Exeter·JournalCurrent Biology·DateJul 6, 2020

Running in Tarahumara culture

Researchers study Tarahumara runners to dispel stereotypes about their athletic prowess. They find that traditional long-distance running is a socially vital form of prayer and develops endurance through regular hard work and physical activities like walking and dancing.

SourceUniversity of Chicago Press Journals·JournalCurrent Anthropology·DateJul 6, 2020

How does Earth sustain its magnetic field?

The geodynamo generates Earth's magnetic field through the motion of liquid iron in the outer core. New research examines how lighter elements like silicon could drive this process, suggesting a concentration of 8 weight percent silicon is sufficient to sustain the geodynamo on heat transmission alone for the planet's entire history.

SourceCarnegie Institution for Science·JournalNature Communications·DateJul 6, 2020

Fathers are more likely to be referred for nutrition or exercise counseling

A new study found that overweight and obese fathers are more likely to receive nutrition or exercise counseling than men without children. This increased referral rate may be attributed to the father's commitment to their child's health, highlighting a potential opportunity for healthcare providers to positively influence family outcomes.

SourceElsevier·JournalJournal of Nutrition Education and Behavior·DateJul 6, 2020

Low-threshold topological nanolasers based on the second-order corner state

A team of scientists demonstrates a low-threshold topological nanolaser in a 2D topological photonic crystal nanocavity, achieving high performance comparable to conventional semiconductor lasers. The design features a second-order corner state that provides robustness against defects and enhances light-matter interaction.

Machine learning reveals vulnerabilities in 3D-printed carbon-fiber composites

A team of researchers from NYU Tandon School of Engineering used machine learning to reverse-engineer 3D-printed composite parts, demonstrating a method to capture fiber orientation with high accuracy. The study highlights the potential risks of intellectual property theft in 3D printing and emphasizes the need for secure toolpaths.

SourceNYU Tandon School of Engineering·JournalComposites Science and Technology·DateJul 6, 2020

Using Epo against Covid-19

Researchers suggest Epo may mitigate severe disease progression and protect patients from neurological effects in Covid-19. Initial case studies indicate a positive effect of Epo treatment, with one patient showing rapid recovery after treatment.

SourceMax-Planck-Gesellschaft·JournalMolecular Medicine·DateJul 6, 2020

Highest peak power and excellent stability

Researchers have developed a new system delivering few-ps pulses at 2 μm wavelength with peak power of 17 GW, exceeding previous records. The system features excellent stability and brilliant beam quality, making it suitable for applications in nonlinear optics, spectroscopy, and materials processing.

SourceForschungsverbund Berlin·JournalOptics Letters·DateJul 6, 2020

New study looks at opioid use and driving outcomes among older adults

A recent study published in the Journal of the American Board of Family Medicine found that older adults taking opioids are at a higher risk of crashing, with a 5.4% increase in reported crashes compared to non-users. However, they also tend to self-regulate their driving habits and report lower self-rated driving ability.

SourceUniversity of Colorado Anschutz Medical Campus·JournalThe Journal of the American Board of Family Medicine·DateJul 6, 2020

Global success for Canadian companies depends on prior R&D investment, receptiveness to new learning

A new study found that global success for Canadian companies depends on prior R&D investment and the company's ability to learn from international exposure. The research shows that Canadian companies that go international are more productive and successful due to investments in R&D and learning from new markets.

SourceUniversity of Toronto, Rotman School of Management·JournalJournal of International Business Studies·DateJul 6, 2020

Palm trees most abundant in American rainforests

A new study reveals that palm trees are the most abundant tree species in American rainforests, outnumbering other tropical forest plants by a significant margin. The research, led by scientists at Uppsala University and University of Campinas, Brazil, has quantified palm numbers globally for the first time.

SourceUppsala University·JournalGlobal Ecology and Biogeography·DateJul 6, 2020