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University of California - Santa Barbara


Back from the brink

Researchers discovered anastasis has two distinct stages and cells hold onto pro-survival molecules even when dying. The study's findings suggest this process may enable cancer cells to bounce back after treatment, raising questions about the long-term cellular effects of anastasis.

SourceUniversity of California - Santa Barbara·JournalJournal of Cell Science·DateSep 27, 2017

In plain sight

Human brains tend to miss objects that are mis-scaled, even when they're in view. Researchers found this phenomenon in eye-tracking studies, but not in computer vision algorithms like deep neural networks. This study aims to better understand human visual search strategies and improve computer vision.

SourceUniversity of California - Santa Barbara·JournalCurrent Biology·DateSep 26, 2017

Corrosion in real time

Researchers used the Surface Forces Apparatus to investigate crevice and pitting corrosion in confined spaces. They observed intense local corrosion resulting in sudden pit formation, highlighting the complexity of the process and its dependence on electric potential difference.

SourceUniversity of California - Santa Barbara·JournalProceedings of the National Academy of Sciences·DateSep 14, 2017

Farming fish

Parrotfish rotationally harvest their favorite food, creating pockets of space without turf algae that enable tiny coral larvae to settle and grow. This behavior supports coral reef health by reducing the harmful impact of turf algae.

SourceUniversity of California - Santa Barbara·JournalMarine Ecology Progress Series·DateSep 12, 2017

Urban climate change

A new study models the impact of changing precipitation patterns in northern European and North American cities, finding that urban runoff is strongly controlled by built-up versus vegetated surfaces. The research also highlights the importance of wintertime climate for northern cities' flood risks.

SourceUniversity of California - Santa Barbara·JournalScientific Reports·DateSep 11, 2017

Curious properties

Theoretical physicists analyze flocking behavior on curved surfaces, including a sphere and an hourglass-shaped figure called a catenoid. They found special sound modes that don't dissipate and flow around obstacles, with the sphere's bands centered on the equator.

SourceUniversity of California - Santa Barbara·JournalPhysical Review X·DateSep 7, 2017

Good as gold

Researchers have designed a new assay that uses gold nanoparticles to improve the accuracy of medical screening, reducing false positives and wait times. The technology has been shown to be up to clinical standards, allowing patients to receive results in about an hour.

SourceUniversity of California - Santa Barbara·JournalProceedings of the National Academy of Sciences·DateAug 30, 2017

Extreme exposure

A new study by UC Santa Barbara researchers found that mothers exposed to very high levels of pesticides during pregnancy experienced increased risk of adverse outcomes, including a 5-9% increase in birth weight and preterm births. The study analyzed data from over 500,000 single births between 1997 and 2011.

SourceUniversity of California - Santa Barbara·JournalNature Communications·DateAug 29, 2017

Seafood for thought

A study by UCSB marine scientists reveals the world's oceans have sufficient space to produce 15 billion metric tons of finfish annually, meeting global demand using less than 1% of ocean surface. Aquaculture could support human livelihoods and economic growth while providing food security.

SourceUniversity of California - Santa Barbara·JournalNature Ecology & Evolution·DateAug 14, 2017

A fleeting blue glow

A team of UCSB astrophysicists observed a supernova colliding with a nearby companion star, revealing surprising information about the mysterious star. The study demonstrates that the supernova collided with a non-white dwarf companion, implying the white dwarf was stealing matter from a larger companion to explode.

SourceUniversity of California - Santa Barbara·JournalThe Astrophysical Journal Letters·DateAug 14, 2017

A dolphin diet

Marine biologists analyzed three dolphin species' diets, revealing overlap in feeding ecology despite differences in hunting strategies. The research provides valuable insights for conservation and management of dolphin populations worldwide.

Brainiacs win big

The UCSB Brain Initiative, a cross-disciplinary program tackling the mind and brain, has received a significant boost from the Hearst Foundation. The award will support the initiative's efforts to transform our understanding of the human brain and provide new tools for neuroengineering.

Picture perfect

A new system called Computational Zoom enables photographers to compose images post-capture by controlling object positions and sizes. This allows for novel image compositions, including automatically combining wide-angle and telephoto perspectives into a single multi-perspective image.

Where there's smoke

UCSB researchers are evaluating urban wildfire patterns and resilience strategies using a $1.5 million National Science Foundation grant, integrating atmospheric, fire-spread, and transportation models to enhance the understanding of extreme fire weather regimes and wildfire behavior in the wildland-urban interface.

Undetected infection

A study found that 7% of healthy Santa Barbara residents tested positive for raccoon roundworm antibodies, highlighting a previously undetected human infection risk. The parasite can survive over a year in the environment and cause severe health effects, including blindness or brain damage.

SourceUniversity of California - Santa Barbara·JournalEmerging Infectious Diseases·DateJul 24, 2017

The coast is not so clear

A new study synthesizes research on coastal armoring and its ecological effects, revealing gaps in knowledge and highlighting the need for more studies. The study evaluates a conceptual model that predicts ecological responses to armoring across various soft sediment ecosystems.

SourceUniversity of California - Santa Barbara·JournalEstuaries and Coasts·DateJul 24, 2017

A robot that grows

Researchers at UC Santa Barbara and Stanford University have created a soft robot that can extend its tip and control its growth direction based on external sensors, enabling it to navigate complex environments. The robot has potential applications in endovascular surgery, search and rescue operations, and construction.

SourceUniversity of California - Santa Barbara·JournalScience Robotics·DateJul 20, 2017

Small pest, big battle

A team of UC researchers is using gene editing to develop a new method to control disease-spreading mosquitoes, focusing on the Aedes aegypti mosquito. The Safe Genes project aims to introduce genetic elements that rapidly spread throughout a population, reducing the mosquito population and preventing disease transmission.

A plastic planet

A new study led by Roland Geyer estimates that over 8 billion metric tons of plastic have been produced since the 1950s, with most becoming waste after four years. The research provides a global analysis of plastic production and fate, highlighting the need for sustainable materials management.

SourceUniversity of California - Santa Barbara·JournalScience Advances·DateJul 20, 2017

Sharing the wealth

Support for economic redistribution is linked to compassion, self-interest and envy, according to a study published in the Proceedings of the National Academy of Sciences. The researchers found that individuals who feel more compassionate are more likely to support redistribution, while those with high levels of envy tend to oppose it.

SourceUniversity of California - Santa Barbara·JournalProceedings of the National Academy of Sciences·DateJul 17, 2017

A steady pulse

A multiyear global assessment by researchers from NCEAS found that the world's oceans have a health record with stable overall health but declining trends in various indicators such as water quality and food provision. Countries taking concrete actions to protect their oceans, like Indonesia and Mexico, are seeing notable improvements.

Power to the people

A UCSB political science professor suggests that public support for renewable energy is strong in the US, with states having abundant resources at the top of the list. However, public opinion can sometimes fail to translate into state legislation, and framing context and local benefits as key factors can increase support. A study found...

It's kind of a drag

Researchers have identified a key reason why super hydrophobic surfaces are unreliable: tiny trace amounts of surfactants can cause an imbalance in water flow, resulting in increased drag. The scientists propose changing the patterning of SHS to accumulate surfactant buildup farther down the interface, reducing drag.

SourceUniversity of California - Santa Barbara·JournalProceedings of the National Academy of Sciences·DateJun 28, 2017

The value of nature

Researchers developed a modeling framework that quantifies the economic value of nature's ecosystem services, such as clean air and water, food, and paper. The framework helps determine how to protect biodiversity by managing ecosystem services, balancing current costs with future risks of losing critical species.

SourceUniversity of California - Santa Barbara·JournalEcology Letters·DateJun 28, 2017

A rising star

Researchers at UCSB used star ascidian to study the interaction between cells and their physical environment, finding a mechanism that allows blood vessels to shrink without impeding blood flow. This discovery has implications for understanding cellular development and metastasis in cancer.

SourceUniversity of California - Santa Barbara·JournalMolecular Biology of the Cell·DateJun 22, 2017

The (extra) eyes have it

A team of UCSB researchers found that aggregating individual responses from multiple observers improves visual search performance, especially when the object is hard to detect. This approach leverages the high confidence of individuals who directly gaze at the target.

SourceUniversity of California - Santa Barbara·JournalProceedings of the National Academy of Sciences·DateJun 21, 2017

The soft touch

Omar Saleh, a UCSB professor, has been awarded the Friedrich Wilhelm Bessel Research Award for his work on soft and biological matter. He will use the €45,000 award to collaborate with German researchers on a long-term project focused on artificial DNA systems.

Not so elementary

A team of international physicists, including UC Santa Barbara postdoctoral scholar Manuel Franco Sevilla, reviewed results from three experiments that suggest lepton universality may need to be revised. The findings, published in Nature, indicate a higher-than-expected tau decay rate in all three experiments.

Guts to glory?

Researchers have discovered a new complex of enzymes in herbivore gut fungi that can break down plant biomass into sugars, offering potential for sustainable fuels and chemicals. The unique structure of these enzymes, called cellulosomes, has the potential to be engineered for industrial use, reducing the need for current enzyme mixtures.

SourceUniversity of California - Santa Barbara·JournalNature Microbiology·DateJun 6, 2017

Why antibiotics fail

UCSB biologists develop new antimicrobial susceptibility test that mimics conditions in the body, identifying effective treatments for diverse bacteria. The revised test has significant implications for public health, allowing physicians to choose alternative drugs immediately if a standard test fails.

Better science faster

The Ocean Health Index (OHI) researchers adopted collaborative research tools to enhance reproducibility and streamline workflow, making their methods more transparent and efficient. This new approach enables the team to produce better science in less time, sharing their story to encourage others to adopt similar practices.

SourceUniversity of California - Santa Barbara·JournalNature Ecology & Evolution·DateMay 23, 2017

Let there be tissue

UCSB researchers have developed a new method to control gene expression in embryonic stem cells using light, allowing for the precise engineering of tissues. This breakthrough could lead to novel therapeutic applications and insights into tissue development.

SourceUniversity of California - Santa Barbara·JournalAdvanced Materials·DateMay 15, 2017

Drivers of insecticide use

A new study by UC Santa Barbara scientists has found that landscape characteristics, such as crop diversity and field size, affect insecticide use. Crop diversity was shown to reduce insecticide use by 8kg per hectare in table grapes, while larger fields use more insecticide.

SourceUniversity of California - Santa Barbara·JournalProceedings of the National Academy of Sciences·DateMay 8, 2017

Eat, prey, move

Researchers found that competition among grazers, such as herbivorous fishes and algae, structures the space use patterns and feeding behaviors of bulletheads. The study suggests that predation risk has a limited impact on prey foraging behaviors in areas with high levels of competition.

Mutant lifestyles

Scientists uncover a potent genetic element in microorganisms that enable them to self-mutate, expanding the diversity of the tree of life. The discovery reveals how rapid evolution happens in some of Earth's smallest and most common microbes.

SourceUniversity of California - Santa Barbara·JournalNature Microbiology·DateApr 3, 2017

Cornering endangered species

Researchers at UC Santa Barbara found that as certain species decline in number, their geographic areas of occupation also shrink. This makes them easier targets for hunters and fishermen, increasing the risk of extinction. The study highlights the importance of well-managed harvests to prevent overharvesting.

SourceUniversity of California - Santa Barbara·JournalProceedings of the National Academy of Sciences·DateMar 28, 2017

Save the whales

The Benioff Ocean Initiative has committed $1.5 million to accelerate research on reducing ship strikes and mortality of whales. Researchers estimate that 10 blue whales are killed annually in the Santa Barbara Channel, threatening a species with only 3-11% of its historic population.