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Coral tells own tale about El Niño's past

A study in Science reveals ancient coral records that show no correlation between volcanic eruptions and El Niño events. The analysis of oxygen isotopes in corals provides a high-fidelity record of ocean temperatures, spanning over 500 years of the last millennium.

SourceRice University·JournalScience·DateMar 26, 2020

Blacks' views on racism affect likelihood of self-employment

Research from Rice University found that working blacks with high awareness of systemic racism are seven times more likely to pursue self-employment. However, these individuals often experience worse financial situations and lower education levels than their counterparts. The study suggests racism's influence on career choices and fina...

SourceRice University·JournalEthnic and Racial Studies·DateMar 18, 2020

Natural bayou better when floods threaten Houston

Researchers at Rice University found that Buffalo Bayou's natural form is better at absorbing floodwater and preventing it from spilling over into heavily populated areas. The study shows that urban development in the Brays watershed increased the 100-year flood plain, making it more prone to flooding.

SourceRice University·JournalJournal of Flood Risk Management·DateMar 11, 2020

New nano strategy fights superbugs

Researchers at Rice University have developed a new strategy to destroy antibiotic-resistant genes, known as superbugs, in sewage system wastewater. The nano technology traps and degrades these genetic remnants before they can infect other bacteria.

SourceRice University·JournalEnvironmental Science & Technology·DateMar 11, 2020

Strong signals show how proteins come and go

Bioscientists at Rice University have developed a novel system to amplify gene expression signals, allowing for more sensitive detection of target genes. The system, consisting of two modules, provides high-resolution dynamic information on gene expression dynamics, which are critical for understanding cell behavior.

SourceRice University·JournalNature Chemical Biology·DateMar 9, 2020

Groovy key to nanotubes in 2D

Researchers found that the alignment of nanotubes in 2D films corresponds to parallel, submicroscopic grooves on the paper. The grooves likely form during the factory production process, and removing them allows for control over alignment direction.

SourceRice University·JournalNano Letters·DateMar 9, 2020

Tissue-digging nanodrills do just enough damage

Researchers have successfully tested molecular motors that can destroy diseased cells in worms, plankton, and mice. The nanomachines caused various degrees of damage to tissues, showing their potential for treating skin diseases such as melanomas and eczema.

SourceRice University·JournalACS Applied Materials & Interfaces·DateMar 5, 2020

A small step for atoms, a giant leap for microelectronics

Scientists at Rice University successfully grew atom-thick sheets of hexagonal boron nitride, a wide band gap semiconductor, to create perfectly ordered crystals for use in integrated circuits. The breakthrough enables the development of 2D layers with millions of transistors, potentially overcoming limitations in miniaturization.

SourceRice University·JournalNature·DateMar 4, 2020

'Smart water' may aid oil recovery

Scientists at Rice University found that low-salinity brine can create emulsion droplets in crude oil, enhancing oil recovery. The research also revealed the wettability of rock determines how easily it releases oil.

SourceRice University·JournalScientific Reports·DateMar 2, 2020

Rice scientists simplify access to drug building block

The Rice University team has introduced an inexpensive organic synthesis technique that catalyzes the transfer of nitrogen atoms to olefins, making valuable pharmaceutical precursors. The process combines nitrogen and hydrogen atoms in triangular aziridine products, which are readily available to react with other agents.

SourceRice University·JournalNature Catalysis·DateFeb 24, 2020

Heavy backpack? Good for you

A Rice University study found that public school students have healthier core strength than home-schooled children due to daily use of heavy backpacks. The research also revealed a disparity in push-up performance between the two groups, with public school students meeting requirements and home-schoolers narrowly missing them.

SourceRice University·JournalAmerican Journal of Health Education·DateFeb 17, 2020

Algae team rosters could help ID 'super corals'

Researchers have discovered that coral colonies with similar groups of algae survive better under stress. The study found that the symbiotic community diversity of dinoflagellates in good-performing corals is more constrained and works well together with their host, while poorly performing corals have less coordinated communities.

SourceRice University·JournalGlobal Change Biology·DateFeb 12, 2020

Graphene forms under microscope's eye

Researchers at Rice University and Oak Ridge National Laboratory developed a new method to produce laser-induced graphene (LIG) with features more than 60% smaller than traditional macro versions. This technique creates LIG with almost 10 times smaller dimensions, making it ideal for flexible electronics applications. The scientists su...

SourceRice University·JournalACS Applied Materials & Interfaces·DateFeb 12, 2020

Grooves hold promise for sophisticated healing

Researchers at Rice University have created a grooved method to seed 3D-printed scaffolds with living cells, enabling the growth of different tissue types in a single platform. This innovative approach protects cells from heat and shear stresses, allowing for the creation of hard implants that can heal bone, cartilage, or muscle.

SourceRice University·JournalBioprinting·DateFeb 4, 2020

Deep learning accurately forecasts heat waves, cold spells

Rice University engineers developed a deep learning system that uses capsule neural networks to predict extreme weather events, such as heat waves and winter storms, with high accuracy. The system achieves 85% accuracy in five-day forecasts by identifying patterns in pressure systems and regional areas.

SourceRice University·JournalJournal of Advances in Modeling Earth Systems·DateFeb 4, 2020

Tumbleweeds or fibrils: Tau proteins need to choose

Tau proteins exhibit distinct aggregation behaviors, with phosphorylation influencing their formation of either solid fibrils or disordered clumps. The researchers' findings offer new insights into the causes of Alzheimer's and frontotemporal dementia, potentially leading to the development of therapeutic interventions.

SourceRice University·JournalProceedings of the National Academy of Sciences·DateFeb 3, 2020

Fed grant backs Rice earthquake research

Melodie French has earned a prestigious National Science Foundation CAREER Award to support her research on the physics responsible for earthquakes. The grant will enable her lab to study rocks exhumed from subduction zones, characterizing the strength of rocks deep underground where plates meet.

Cells' springy coils pump bursts of RNA

Researchers at Rice University have developed a theoretical model explaining how RNA polymerase enzymes trigger bursts of RNA production in cells. The model suggests that DNA supercoils, like springs, are involved in the process, with RNA polymerases compressing and releasing tension to regulate protein production.

SourceRice University·JournalBiophysical Journal·DateJan 30, 2020

Ordering in? Plants are way ahead of you

Researchers discovered that plants use flavonoids to communicate with microbes in the soil, but high levels of organic carbon in the soil can repress these signals. This allows plants to control whether they invest in expensive symbionts and avoid wasting photosynthate on unnecessary microbial help.

SourceRice University·JournalScience Advances·DateJan 29, 2020

CPRIT grant bolsters Rice biosciences

Rice University has received a $6 million grant from the Cancer Prevention and Research Institute of Texas to bolster its growing biosciences initiative. Synthetic biologist Caroline Ajo-Franklin will lead the effort, exploring biological-inorganic interfaces and developing sensors to monitor chemotherapy agents in real-time.

Less may be more in next-gen batteries

Researchers at Rice University have discovered a mechanism that protects cathodes from degrading in lithium-ion batteries by applying a thin layer of alumina, which also accelerates charging speed. This breakthrough could lead to more stable and efficient batteries for electric cars and grid storage.

SourceRice University·JournalACS Applied Energy Materials·DateJan 21, 2020

Gasification goes green

Researchers create light-powered nanoparticle that shrinks the carbon footprint of syngas production, a valuable chemical feedstock used to make fuels, fertilizer, and other products. The low-energy, low-temperature process produces a mix of carbon monoxide and hydrogen gas.

SourceRice University·JournalNature Energy·DateJan 10, 2020

Snake-like proteins can wrangle DNA

Researchers at Rice University have discovered a novel mechanism by which snake-like proteins, known as coiled coils, interact with DNA to form loops that regulate genetic messages. These loops are formed through a braiding process, where the coiled coils writhe and twist around each other, bringing together sites on DNA.

SourceRice University·JournalProceedings of the National Academy of Sciences·DateJan 2, 2020

Nightside barrier gently brakes 'bursty' plasma bubbles

Scientists at Rice University have developed new methods to characterize the influence of turbulence on space weather. They discovered that bursty bulk flows cause big ripples in plasma, leading to oscillations called buoyancy waves. These waves play a role in the formation of auroral structures and magnetospheric substorms.

Hydrogels control inflammation to help healing

Researchers have developed injectable hydrogels that can tune the body's inflammatory response, promoting or reducing inflammation as needed. The study found that positively charged hydrogels triggered stronger responses for wound-healing and cancer treatment, while negatively charged gels were better suited for drug delivery.

SourceRice University·JournalBiomaterials·DateDec 16, 2019

How do silt and sand differ when going with the flow?

Researchers at Rice University discovered that a specific grain size can control the movement of silt and sand in rivers, with no correlation to water speed. This finding has significant implications for understanding sediment transport and its impact on coastlines and deltas.

SourceRice University·JournalProceedings of the National Academy of Sciences·DateDec 16, 2019

Ancient events are still impacting mammals worldwide

Researchers discovered that events from 20,000 years ago or more are still impacting the diversity and distribution of mammal species globally. The study found that historic climate does a better job than current climate in explaining present biodiversity patterns.

SourceRice University·JournalProceedings of the National Academy of Sciences·DateDec 16, 2019

Chemists' calculations may advance cancer prediction

Researchers have made a breakthrough in understanding cancer prediction by developing a new method to evaluate cell dynamics and tumor initiation. Their calculations reveal that fixation times are a more important metric than lifetime risks, and that some mutated cells may fix tumors faster than expected.

SourceRice University·JournalScientific Reports·DateDec 12, 2019

Deadly 'superbugs' destroyed by molecular drills

Researchers at Rice University and Texas A&M University developed molecular drills that target and kill antibiotic-resistant bacteria. The drills, which can be activated with light, increase the effectiveness of existing antibiotics, offering a potential solution to superbug infections.

SourceRice University·JournalACS Nano·DateDec 12, 2019

Detours may make batteries better

Scientists at Rice University have discovered that placing specific defects in the crystalline lattice of lithium iron phosphate-based cathodes can broaden the avenues through which lithium ions travel. This could improve performance by up to two orders of magnitude and potentially lead to similar improvements in other types of batteries.

SourceRice University·Journalnpj Computational Materials·DateDec 9, 2019

Gulf Coast corals face catastrophe

A new study by Rice University researchers warns that coral reefs in the Gulf of Mexico are on the brink of collapse due to rising temperatures and ocean acidification. The study found that even reducing greenhouse gas emissions to meet the Paris Agreement's targets may not be enough to preserve the reefs.

SourceRice University·JournalFrontiers in Marine Science·DateDec 5, 2019