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Science News Archive September 2014 - Page 12


Page 12 of 34

Smallest possible diamonds form ultra-thin nanothreads

Researchers at Penn State University have discovered a method to produce ultra-thin diamond nanothreads with exceptional strength and stiffness. The discovery is based on compressing benzene molecules under high pressure, allowing them to form a strong tetrahedral core linked by hydrogen atoms.

SourcePenn State·JournalNature Materials·DateSep 21, 2014

Dry roasting could help trigger peanut allergy

Researchers at Oxford University found that dry roasting peanuts causes chemical modifications that activate the immune system, leading to an allergic response. This discovery may explain the higher prevalence of peanut allergies in Western countries compared to East Asia.

SourceUniversity of Oxford·JournalJournal of Allergy and Clinical Immunology·DateSep 21, 2014

New 'star' shaped molecule breakthrough

Scientists at The University of Manchester have created a new star-shaped molecule consisting of two molecular triangles entwined about each other three times into a hexagram. This complex structure is the most advanced of its kind ever produced and has potential applications in creating light, flexible, and strong materials.

SourceUniversity of Manchester·JournalNature Chemistry·DateSep 21, 2014

Uncovering the forbidden side of molecules

Scientists have successfully observed the 'forbidden' infrared spectrum of a charged molecule for the first time. This achievement enables precise measurements of molecular properties with unprecedented accuracy. The research has significant implications for the development of molecular clocks, quantum technology, and fundamental physics.

SourceUniversity of Basel·JournalNature Physics·DateSep 21, 2014

Graphene sensor tracks down cancer biomarkers

A graphene biosensor has been developed to detect cancer risk biomarkers, such as 8-hydroxydeoxyguanosine (8-OHdG), with high sensitivity and speed. The sensor is capable of detecting concentrations as low as 0.1 ng mL-1, outperforming conventional detection methods.

SourceIOP Publishing·Journal2D Materials·DateSep 19, 2014

Even without kids, couples eat frequent family meals

A new study found that couples and adult-only households eat family meals on most days of the week, mirroring patterns seen in families with children. The research analyzed data from over 14,000 Ohio adults, suggesting that frequent family meal consumption may have health benefits for all adults, not just those with minors.

SourceOhio State University·JournalPublic Health Nutrition·DateSep 19, 2014

For legume plants, a new route from shoot to root

Researchers discovered a new route for legume plants to communicate with their symbiotic bacteria. The study found that cytokinins, signaling molecules, are transmitted from leaves to roots to control the number of bacterial-holding nodules. This innovation allows legumes to balance energy production and nodule development.

SourceRIKEN·JournalNature Communications·DateSep 19, 2014

Monster galaxies gain weight by eating smaller neighbors

Research by Australian scientists reveals massive galaxies are eating smaller ones to gain weight, but their star-formation process is inefficient. Dr. Aaron Robotham explains that gravity allows larger galaxies to pull in smaller neighbors, and the Milky Way will follow suit, eventually merging with Andromeda.

SourceInternational Centre for Radio Astronomy Research·JournalMonthly Notices of the Royal Astronomical Society·DateSep 19, 2014

New hadrosaur noses into spotlight

A new hadrosaur species, Rhinorex condrupus, with a unique nasal profile has been discovered in Utah. The species lived approximately 75 million years ago and is believed to have weighed over 8,500 lbs., helping fill gaps about habitat segregation during the Late Cretaceous period.

SourceNorth Carolina State University·JournalJournal of Systematic Palaeontology·DateSep 19, 2014

Single dose of antidepressant changes the brain

Researchers discovered that a single dose of antidepressant can dramatically change the human brain's functional architecture within three hours. The study found increased connectivity in two specific brain regions, while reducing intrinsic connectivity elsewhere.

SourceCell Press·JournalCurrent Biology·DateSep 18, 2014

Withdrawal from the evolutionary race

Researchers found that certain individuals with HIV are more tolerant of the virus than others, with factors including age and HLA-B gene variants playing a role. The study suggests that tolerance-based treatments could be an alternative to traditional resistance-based strategies.

SourceETH Zurich·JournalPLOS Biology·DateSep 18, 2014

A second look at glaucoma surgery

A study led by Queen's University professor Robert Campbell revealed that using anti-inflammatory medicines after common eye surgery isn't helpful or necessary. The research found that steroids and nonsteroidal anti-inflammatory drugs do not affect the ability of laser treatment to lower eye pressure.

SourceQueen's University·JournalOphthalmology·DateSep 18, 2014