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University of Utah


More power to you

Engineers from the University of Utah and Minnesota have discovered that interfacing two oxide compounds makes them highly conductive, producing a hundred times more free electrons than semiconductors. This innovation could lead to smaller power supplies and devices with reduced energy consumption, such as laptops and home appliances.

SourceUniversity of Utah·JournalAPL Materials·DateJul 26, 2016

How to sound the alarm

Researchers aim to reduce errors in warning decisions by considering all three key aspects: who, what, and when. Effective warnings are crucial for mitigating casualties and increasing transparency.

SourceUniversity of Utah·JournalRisk Analysis·DateJul 26, 2016

Living on borrowed time

A study published in Nature Communications suggests that timely conservation action can slow extinction rates and save species. The research found similar patterns of species loss following habitat disruption across various taxonomic groups, including birds, mammals, plants, reptiles, and invertebrates.

SourceUniversity of Utah·JournalNature Communications·DateJul 25, 2016

To catch a wireless thief

Researchers are developing a crowdsourced system that allows users to contribute in helping detect and locate unauthorized radio frequency use. The system uses software-defined radio technology and smartphone apps to monitor for suspicious activity, potentially aiding authorities in combating wireless theft.

To save water on lawns, throw some shade

A University of Utah study found that traditional lawn watering recommendations are often inaccurate for urban conditions in Los Angeles. By measuring evapotranspiration in shaded areas, researchers developed a new approach to adjust watering rates and achieved higher accuracy than existing models.

SourceUniversity of Utah·JournalJournal of Arid Environments·DateJul 13, 2016

Theoretical climbing rope could brake falls

Researchers created a mathematical equation for an ideal dynamic climbing rope that would slow falling climbers like brakes on cars. The study suggests using shape memory materials, which can be deformed and return to their original shape, to achieve this effect.

SourceUniversity of Utah·JournalProceedings of the Institution of Mechanical Engineers Part P Journal of Sports Engineering and Technology·DateJul 5, 2016

Migratory bears down in the dumps

Researchers discovered two groups of brown bears in Turkey, one migrating between feeding and breeding sites, while the other stayed in a city dump all year round. This study highlights the impact of human-caused habitat fragmentation on bear behavior and conservation strategies.

SourceUniversity of Utah·JournalJournal of Zoology·DateJun 23, 2016

Pitch range produced by vocal cords

Researchers at the University of Utah have discovered that vocal cords can be stretched and stiffened to predict an animal's pitch range, revealing evolutionary roots of voice. The study suggests that singers can increase their ranges by stretching their vocal cords or engaging in exercises that affect fiber spacing and cord stiffness.

SourceUniversity of Utah·JournalPLOS Computational Biology·DateJun 16, 2016

Let there be light

University of Utah researchers have developed a theory that adding light during the manufacturing process can reduce defects in semiconductors, leading to more efficient solar cells and brighter LED bulbs. This breakthrough could unlock the potential of materials previously deemed unusable, such as cadmium telluride and gallium nitride.

SourceUniversity of Utah·JournalScientific Reports·DateJun 16, 2016

Why people help distant kin

A new study suggests that socially enforced nepotism, a concept that expands the classic theory of kin selection, may explain why people are altruistic towards distant kin. The simulations show that helping distant relatives can increase one's reputation and lead to more help from others, improving social rules and enforcing them.

SourceUniversity of Utah·JournalPLOS ONE·DateJun 15, 2016

A new way to nip AIDS in the bud

Scientists at the University of Utah found that delaying the budding of new HIV particles triggers protease to destroy the virus, rendering it non-infectious. This breakthrough could lead to the development of new AIDS treatments with fewer side effects in about a decade.

SourceUniversity of Utah·JournalPLOS Pathogens·DateJun 9, 2016

Spring snow a no-go?

A University of Utah study suggests that spring snowpack in higher elevations will be more dependent on precipitation than temperature in a warming climate. By the end of the century, the threshold elevation for temperature-controlled snowpack is expected to rise by around 800 feet, affecting ski resorts and water resources.

SourceUniversity of Utah·JournalGeophysical Research Letters·DateMay 26, 2016

Brit accents vex US hearing-impaired elderly

A study from the University of Utah finds that older Americans with hearing loss have more trouble understanding British accents when there is background noise. The study also explores how transgender women can adopt a clearer speaking style to sound more feminine and how fast-talking affects speech intelligibility.

Speedy bridge repair

A team of researchers led by Chris Pantelides developed a new process to repair earthquake-damaged bridge columns in just a few days. The process uses concrete donuts lined with composite fiber material and can be used on not only bridges but also damaged columns around buildings.

A new way to get electricity from magnetism

Scientists have successfully converted spin current into electric current in several organic semiconductors, including carbon-60 buckyballs. The 'inverse spin Hall effect' method has potential for use in future electronic devices like batteries and solar cells.

SourceUniversity of Utah·JournalNature Materials·DateApr 18, 2016

Which trees face death in drought?

Researchers found three tree physiological traits significantly predict drought mortality, related to hydraulics. Trees with lower hydraulic conductivity and safety margins are more susceptible to embolism and death. This study can help forecast tree deaths in drought and inform climate change mitigation strategies.

SourceUniversity of Utah·JournalProceedings of the National Academy of Sciences·DateApr 18, 2016

The pyrophilic primate

Human ancestors adapted to fire-prone environments by exploiting its foraging benefits, improving search and handling efficiency. This scenario provides a solution to the mismatch between fossil and archaeological records.

SourceUniversity of Utah·JournalEvolutionary Anthropology Issues News and Reviews·DateApr 12, 2016

How climate change dries up mountain streams

A new study simulates climate change effects on Rocky Mountain stream systems, finding that warmer temperatures have a greater impact on streamflow than changes in precipitation type. This can lead to reduced streamflow and altered groundwater recharge patterns.

SourceUniversity of Utah·JournalEnvironmental Research Letters·DateApr 12, 2016

Live fast, die young

Scientists studying ancient mammal relatives known as therapsids found that they had shorter life expectancies and bred at younger ages to survive the drastic climate change. This adaptation allowed them to thrive in the aftermath of the Permo-Triassic Mass Extinction, which pushed billions of tons of carbon into the atmosphere.

SourceUniversity of Utah·JournalScientific Reports·DateApr 5, 2016

Sniffing out a dangerous vapor

University of Utah engineers developed a handheld scanner that can detect small traces of alkane fuel vapor, crucial for preventing oil pipeline leaks and detecting explosives. The portable device will be used to locate leaks in pipelines, airplane fuel tanks, and security threats, providing real-time warnings.

SourceUniversity of Utah·JournalACS Sensors·DateMar 25, 2016

Pigeon foot feather genes identified

Researchers discovered two genes, Pitx1 and Tbx5, responsible for developing feathered feet in pigeons. The study suggests that these genes may have played a role in the evolution of feathers in dinosaurs and early birds. The findings provide insight into how skin regions can be controlled to produce scales or feathers.

How the brain detects short sounds

University of Utah researchers discovered how certain brain cells compute sound length and detect short sounds. The study found that for a frog brain cell to recognize a short sound, it is inhibited from firing while the sound occurs, then excited into firing when the sound ends.

SourceUniversity of Utah·JournalProceedings of the National Academy of Sciences·DateMar 14, 2016

Engineering material magic

Researchers at University of Utah have discovered a new kind of 2D semiconducting material that could lead to much speedier computers and smartphones. The material, made of tin and oxygen, allows electrical charges to move through it faster than conventional materials.

SourceUniversity of Utah·JournalAdvanced Electronic Materials·DateFeb 15, 2016

New lens ready for its close-up

Researchers have created a new method to create flat optical lenses that can bend light to a single point, correcting a widespread misconception. The new lens is up to 10 times thinner than current camera lenses and could be used in medical devices, drones, and future smartphones with high-powered cameras.

SourceUniversity of Utah·JournalScientific Reports·DateFeb 12, 2016

Mommy and me

A study by University of Utah researcher Elisabeth Conradt found that a mother's sensitivity can buffer her infant from the negative impacts of maternal depression. Infants whose mothers were sensitive had lower cortisol levels and less DNA methylation, indicating reduced exposure to maternal stress hormones.

SourceUniversity of Utah·JournalChild Development·DateFeb 11, 2016

What a moth's nose knows

Researchers found that moths with transplanted antennae responded to novel pheromone blends not seen in nature. The moths' brains integrated signals from the antennal lobe to create a sense of reality, even when the sensory input was altered.

SourceUniversity of Utah·JournalPLOS ONE·DateJan 27, 2016

Poison warmed over

Researchers found that warmer temperatures reduce desert woodrats' ability to eat their normal diet of toxic creosote bushes. This could lead to animals changing their diets, relocating to cooler habitats or going extinct in local areas.

Darwin's finches may face extinction

A new study shows that parasitic flies may drive Darwin's finch populations to extinction in several decades. However, a modest reduction in fly prevalence through human intervention could alleviate the risk. Researchers propose various methods for controlling the fly population, including introducing wasps and using insecticides.

SourceUniversity of Utah·JournalJournal of Applied Ecology·DateDec 17, 2015

A gene for new species is discovered

A University of Utah-led study identified a long-sought 'hybrid inviability gene' responsible for dead or infertile offspring when two fruit fly species mate. The discovery sheds light on the genetic and molecular process leading to formation of new species, and may provide clues to how cancer develops.

SourceUniversity of Utah·JournalScience·DateDec 17, 2015

When trees die, water slows

A recent study found that widespread tree mortality from mountain pine beetles can reduce water availability due to increased evaporation, rather than increasing streamflow. This challenges previous assumptions and offers new insights for managing healthier forests that are more resistant to drought.

SourceUniversity of Utah·JournalWater Resources Research·DateDec 16, 2015

New way to find DNA damage

Researchers have developed a new way to detect chemical damage to DNA that can lead to genetic mutations and diseases. The method combines existing techniques to mark and copy DNA damage sites, preserving information on the location and type of damage.

SourceUniversity of Utah·JournalNature Communications·DateNov 6, 2015

Bright idea for lowlight photography

University of Utah engineers develop a new color filter that lets in three times more light than conventional filters, resulting in cleaner and more accurate pictures taken in lowlight. The filter can be used for smartphone cameras and industrial applications.

SourceUniversity of Utah·JournalOptica·DateOct 29, 2015

Ancient babies boost Bering land bridge layover

Two infants buried in Alaska, 11,500 years ago, share genetic material with Native Americans in North and South America. The study supports the Beringian standstill model, suggesting that Native Americans descended from Asian migrants who spent time in Beringia before moving to the Americas.

SourceUniversity of Utah·JournalProceedings of the National Academy of Sciences·DateOct 26, 2015

3-D map of the brain

Researchers at the University of Utah have developed software to create detailed 3-D models of animal brains, allowing for a more complete understanding of brain connectivity. This new tool can aid in studying mental and neurological conditions such as schizophrenia, depression, anxiety, and autism.

Deeper calls, smaller balls

A study found that male howler monkeys with larger hyoid bones produce deeper calls but have smaller testicles, while those with smaller hyoids have larger testes. This tradeoff is thought to increase mating success by allowing males to either sire more offspring or attract females.

SourceUniversity of Utah·JournalCurrent Biology·DateOct 22, 2015

Dead men punching

Researchers used cadaver arms in experiments supporting the idea that human hands evolved for both manual dexterity and fistfighting. They found humans can safely strike with 55% more force with a fully buttressed fist than with an unbuttressed fist.

SourceUniversity of Utah·JournalJournal of Experimental Biology·DateOct 21, 2015

Competing mice reveal genetic defects

A new study using competing mice reveals genetic mutations can impair reproduction and territory control, contrary to previous assumptions of redundant gene functions. The mouse barn test provides a sensitive tool for assessing fitness consequences of gene changes in natural environments.

SourceUniversity of Utah·JournalGenetics·DateSep 29, 2015

Did grandmas make people pair up?

A recent study suggests that grandmothering played a crucial role in the development of human pair bonds, which distinguish us from other primates. With increasing human longevity, grandmothers helped feed their weaned children, allowing their daughters to have more kids and passing on genes.

SourceUniversity of Utah·JournalProceedings of the National Academy of Sciences·DateSep 7, 2015

Programming and prejudice

A team of computer scientists from University of Utah discovered a way to find bias in algorithms used for hiring decisions and loan approvals. They developed a technique to determine if such software programs discriminate unintentionally, revealing potential issues with disparate impact. The researchers also found a method to fix thes...

4 million years at Africa's salad bar

A study found that most major mammal groups in Africa tried grazing on grass around 2 million years ago, but some animals switched to browsing trees and shrubs or became extinct. The bovids, including cattle and antelopes, are the only group still mostly grazing on grass today.

SourceUniversity of Utah·JournalProceedings of the National Academy of Sciences·DateAug 3, 2015

Drought's lasting impact on forests

Forest trees take an average of two to four years to recover from droughts, with growth rates slower than expected during the recovery period. The study suggests that Earth's forests can store less carbon than previously calculated, which could lead to a speed-up in climate change.

SourceUniversity of Utah·JournalScience·DateJul 30, 2015