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Science and Technology

Researchers show how nanoscale patterning can decrease metal fatigue

Fatigue due to repetitive strain is the leading cause of failure in metal components and structures, but new research shows how crystalline structures called nanotwins can slow the accumulation of fatigue-related damage.
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Terahertz spectroscopy goes nano

Brown University researchers have improved the resolution of terahertz emission spectroscopy — a technique used to study a wide variety of materials — by 1,000-fold, making the technique useful at the nanoscale.
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Science and Technology

Research demonstrates method to alter coherence of light

In a finding that could have broad applications in optical devices, Brown University researchers have shown that they can transform incoherent light to almost fully coherent and vice versa.
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Where food is limited, guppy mothers gestate their young longer

When evolving in environments where a lack of predators makes food scarcity the main survival challenge, guppy mothers gestate their young longer so that they are born more ready to compete for their meals.
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New research suggests Mercury’s poles are icier than scientists thought

A Brown University study identifies three large surface ice deposits near Mercury’s north pole, and suggests there could be many additional small-scale deposits that would dramatically increase the planet’s surface ice inventory.
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HHMI fellowships support life science leaders from underrepresented groups

Postdoctoral researcher Arif Hamid and graduate students Kavin Nuñez and Shawn Williams have earned competitive fellowships from the Howard Hughes Medical Institute to support their academic careers and their desire to become role models in science.
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Why it’s difficult to predict evolutionary fate of a new trait

In a new review paper, scientists explain the vexing complexities that make it hard to predict whether a new genetic trait will take over a population or die out, a key challenge for many fields including infectious disease.
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Researchers develop 3-D-printed biomaterials that degrade on demand

The temporary structures, which can be degraded away with a biocompatible chemical trigger, could be useful in fabricating microfluidic devices, creating biomaterials that respond dynamically to stimuli and in patterning artificial tissue.
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Main green totally packed for partial eclipse

The Great American Eclipse drew a big crowd at a College Hill viewing event. Check out a sampling of social media posts from those in attendance.
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Brown researchers partner with state for water testing

A team of researchers from Brown’s Superfund Research Program is partnering with the Rhode Island Department of Health to test 35 of the state’s water systems for chemicals known as PFASs.
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Brown researchers issued FCC license for terahertz tests

The Federal Communications Commission has issued a license for testing terahertz wireless data links, which could be the backbone of next-generation high-speed data networks, on the Brown campus.
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Science and Technology

Brown shares in NSF grant to model how mutations change traits

With a $1.5 million share of a new $6 million, four-year grant, Brown scientists will contribute to an effort to model how genetic mutations can lead to differences in proteins that ultimately cause different traits in organisms.
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ICERM to lead $8M pure math research collaboration

Brown’s Institute for Computational and Experimental Research in Mathematics will lead a multi-institution effort sponsored by the Simons Foundation to explore fundamental questions in algebra and number theory.
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Scientists spy new evidence of water in the Moon’s interior

Using satellite data, Brown researchers have for the first time detected widespread water within ancient explosive volcanic deposits on the Moon, suggesting that its interior contains substantial amounts of indigenous water.
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To swallow food, some sharks shrug their shoulders

Sophisticated X-ray imaging technology has allowed scientists to see that to keep food moving down toward the digestive tract, bamboo sharks use their shoulders to create suction.
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Research makes robots better at following spoken instructions

A new software system helps robots to more effectively act on instructions from people, who by nature give commands that range from simple and straightforward to those that are more complex and imply a myriad of subtasks.
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Researchers flip the script on magnetocapacitance

The study demonstrates for the first time a new type of magnetocapacitance, a phenomenon that could be useful in the next generation of ‘spintronic’ devices.
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Like a slice of pizza, a curvature could give fish fins their strength

Brown University engineers have shown that applying curvature to the base of a fish fin can increase its stiffness, an effect that could underlie the maneuverability of fish and provide a new design concept for robotic swimmers.
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Fowl-mouthed study finds that diet shaped duck, goose beaks

An analysis of the relationship between diet and beak shape among waterfowl not only shows that feeding is likely the major influence that fits the bill, but also suggests that early birds of the order were likely more duck-like than goose-like.
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Computer science professor celebrates 50 years on faculty

John Savage, one of the founders of Brown’s Department of Computer Science, will be honored for 50 years of teaching and mentorship during this weekend’s Commencement and Reunion festivities.
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Ancient Mars impacts created tornado-like winds that scoured surface

Plumes of vapor generated by ancient impacts on Mars created tornado-like winds possibly swirling at more than 500 miles per hour, which explain mysterious streaks seen near large impact craters on the Martian surface.
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Galápagos study identifies keystone predator in a complex food web

Years of experiments and careful observation along the shores of the Galápagos Islands have untangled a complex food web of sea lions, fish, urchins and algae, revealing who eats (or doesn’t eat) whom and what impact they have on each other.
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