Harvard University researchers have successfully created an artificial jellyfish using a silicone polymer and heart muscle cells. The Medusoid, as it's called, is capable of swimming and reproducing complex behaviors seen in biological jellyfish.
A team of scientists has made new discoveries about ancient meteorites, which provide clues to the early Solar System's formation. The research, published in Nature Geoscience, reveals that certain elements were present during the formation of these rocks, suggesting a late accretion process occurred earlier than previously thought.
Researchers explore dark energy's impact on the Universe's fate, citing a 'big rip' scenario as a possibility with predicted timelines for object destruction. The study uses the Ma-Zhang parameterization to forecast the evolution of the Universe.
A study by Massachusetts General Hospital found that HIV-infected individuals have comparable levels of arterial inflammation as those with established cardiovascular disease, despite being at lower risk. The researchers suggest that targeting monocyte activation may be a unique strategy to reduce arterial inflammation in these patients.
Researchers at Stanford University School of Medicine have identified several gene mutations responsible for the most common childhood brain tumor, medulloblastoma. The study suggests that these tumors can be categorized into genetically distinct groups with different prognoses and resistance to standard treatments.
Scientists have discovered an important clue on how the human brain filters out unimportant visual information and focuses on what's most useful. The study found that the prefrontal cortex is involved in both bottom-up and top-down attention, challenging traditional beliefs about separate areas of the brain controlling these processes.
Researchers have developed a new laser design that shrinks on-chip lasers to 2 micrometers in height, significantly reducing size and increasing performance. This breakthrough could enable faster data transfer rates and more efficient energy use in high-speed computers.
A Caltech-led team has successfully created a swimming 'jellyfish' using tissue-engineered silicone and muscle cells, which mimics the fluid dynamics of a real jellyfish. The breakthrough demonstrates that function-driven design can outperform natural evolution in engineering complex systems.
A new genomic sequencing method called Smart-Seq has enabled the in-depth analysis of clinically relevant single cells. This breakthrough has significant implications for cancer research, allowing scientists to better understand tumor development and identify potential diagnostic markers.
Peter J. Stang has been awarded the American Chemical Society's Priestley Medal for his pioneering work on supramolecular chemistry, a field that could lead to new drug delivery vehicles and more efficient oil refining. With over 450 papers authored, Stang is a prominent figure in the field of organic chemistry.
A multifaceted global effort could lead to an AIDS-free generation by expanding testing, treatment, and prevention programs. Combination antiretroviral therapy has significantly improved health and longevity for individuals infected with HIV, saving an estimated 700,000 lives globally in 2010.
The new guidelines recommend that all adults with HIV infection be treated, with no CD4 cell count threshold for initiating therapy. Initial regimens include a combination of nucleoside reverse transcriptase inhibitors and nonnucleoside reverse transcriptase inhibitors.
A new study suggests that HIV-positive women with normal Pap tests and negative HPV tests can safely reduce cervical cancer screening frequency. The study found similar rates of cervical precancer and cancer in HIV-positive and HIV-negative women, paving the way for co-testing to reduce unnecessary screenings.
A study of HIV-positive persons born outside the US finds they are more likely to be Hispanic or Asian and have higher rates of heterosexual contact. The researchers also found that these individuals face challenges accessing medical care due to language and cultural barriers.
New research from Carnegie's Zhiyong Wang laboratory identifies key aspects of the hormonal responses of plants to changes in light and heat. The study reveals a biochemical 'command system' that integrates multiple environmental and hormonal signals into growth regulation.
Researchers found high levels of exposure to three antiretroviral medications in the hair samples of HIV uninfected infants at twelve weeks of life. The findings indicate a moderate transfer of efavirenz both in the womb and during breastfeeding, while lopinavir and ritonavir were transferred exclusively in the womb.
A NASA satellite has been monitoring System 92W, a low-pressure system in the western North Pacific Ocean, indicating increased power and uplift as it strengthens. The storm is expected to move west-northwest past northern Luzon, bringing heavy rainfall and potentially localized flooding.
A Loyola study found caregivers of stroke survivors experience high levels of perceived stress, caregiver burden, and poor sleep quality. These women are also at increased risk for depressive symptoms due to the physical and emotional toll of caregiving.
RockSalt, a new tool developed by Harvard computer scientists, uses Coq to verify that native code complies with security policies. The tool has improved performance and security compared to previous solutions like Google Native Client (NaCl), with no reported vulnerabilities.
A new characterization method using lasers and acoustic waves has provided scientists with a capability to detect buried defects deep inside materials with unprecedented precision. This new technique reveals that the amount of damage caused by radiation in electronic materials may be at least ten times greater than previously thought.
Dr. Piyali Dasgupta received a three-year grant to investigate the anti-cancer activity of capsaicin in small cell lung cancer patients. The study aims to improve chemotherapy treatment outcomes, which often relapse quickly and become unresponsive.
Dr. Joseph Ciolino, a Mass. Eye and Ear ophthalmologist, has received the Research to Prevent Blindness (RPB) Career Development Award to support his translational projects in keratoprosthesis and ocular drug delivery. The award aims to attract young physicians and scientists to eye research.
New research warns that Asia cannot achieve its climate and poverty reduction goals unless women's rights to forest and land resources are recognized. Women continue to be marginalized and excluded from decision-making processes in resource management, leading to environmental degradation and food insecurity.
A new study finds CPAP treatment significantly reduces symptoms and improves quality of life in patients with mild to moderate obstructive sleep apnea (OSA) and daytime sleepiness. The study's results suggest that CPAP therapy is highly effective in treating this largest segment of the OSA population.
The study found that while initial results of 2-level axial lumbar interbody fusion were promising, complications arose within 2 years, including screw breakage and rod detachment. Solid spinal fusion was achieved in only 8% of patients at 24 months postoperatively.
Deer hinds in dominant positions select nutrient-rich foods, outperforming subordinates with lower-quality options. The study demonstrates preferential access to high-energy food sources, improving body condition and milk production.
Researchers at RHIC and LHC collaborate to recreate extreme conditions of early universe, studying quarks and gluons in a nearly frictionless liquid. Theoretical approaches using string theory reveal intriguing connections between QGP and conventional plasmas, superconductors, and atoms.
Researchers identified genetic markers influencing protein levels regulating oestrogen and testosterone in the bloodstream, near genes related to liver function and type 2 diabetes. These findings highlight an important connection between metabolic and reproductive systems in men and women.
Research suggests that firms with political connections often hold excess cash, which may be used to support politicians' agendas rather than maximize profit. Poor corporate governance and lack of transparency are also common in these firms, leading to a deadlock between minority shareholders and large shareholders.
Researchers found that severe influenza infection doubles the odds of developing Parkinson's disease later in life, whereas a typical case of red measles as a child reduces the risk by 35%. The study also suggests an association between high-intensity vibrations and increased Parkinson's risk.
Tropical Depression Khanun made landfall in western South Korea on July 19, bringing heavy rainfall and thunderstorms. The satellite tracked the northeastern progression of the cyclone as it moved toward North Korea and northeastern China, eventually dissipating due to atmospheric conditions.
A new study found that Cognitively-Based Compassion Training (CBCT) improved the mental and physical health of adolescents in foster care by reducing anxiety and increasing feelings of hopefulness. CBCT also reduced inflammation levels, which is a fundamental risk factor for chronic illnesses.
The first cross-disciplinary conference on Public Participation in Scientific Research will bring together experts from various fields to share ideas and form new communities. Citizen science projects have recruited non-specialists to contribute to real scientific questions, multiplying data collection by orders of magnitude. The confe...
The Massachusetts Eye and Ear Infirmary has been awarded a $110,000 grant from Research to Prevent Blindness to conduct research on the causes, treatment and prevention of blinding diseases. The grant will be directed by Dr. Joan Miller, who leads the Mass. Eye and Ear/Mass General Department of Ophthalmology.
Researchers analyzed images of Titan's river networks, finding that they resemble early stages of terrestrial rivers' evolution. In some regions, rivers have caused little erosion, raising questions about Titan's geologic past and potential processes such as tectonic upheaval and icy lava eruptions.
A new study found that vitamin D deficiency is associated with worse lung function and faster decline in smokers. Vitamin D sufficiency was linked to improved lung function and reduced rate of decline.
Researchers identified 12 genetic markers associated with sex hormone-binding globulin (SHBG) levels, which regulate testosterone and estrogen in the bloodstream. The study found that SHBG levels are influenced by multiple factors, including genes related to liver function, metabolism, and type 2 diabetes.
A Rutgers University study suggests that poor mothers are more likely to be classified with generalized anxiety disorder due to poverty rather than mental illness. The research found no evidence of a link between anxiety and parenting stress in these mothers.
A new protocol has excellent results and should become the standard of care for treating severe heart attacks. Paramedics trained to read ECGs expedite treatment by evaluating patients with chest pain and restoring blood flow to the heart within 30 minutes.
A new collaboration between DNDi and Cipla aims to develop a 4-in-1 ARV combination product for young children with HIV/AIDS, addressing the gap in current treatments. The goal is to provide safe, potent, child-friendly treatment combinations to accelerate care provision for infants and toddlers living with HIV/AIDS.
UCLA researchers have created a new type of transparent solar cell that can generate electricity while still allowing people to see outside. The cells, made from a photoactive plastic, absorb mainly infrared light and have nearly 70% transparency to the human eye.
Research published in the FASEB Journal found that pregnant mice exposed to diesel exhaust were more likely to have obese offspring with insulin resistance. The study suggests a link between air pollution exposure in utero and metabolic disorders in adulthood. Males were particularly affected, while females only showed increased weight...
An anti-tau treatment called epithilone D (EpoD) has shown promise in preventing and intervening the progress of Alzheimer's disease in animal models by improving neuron function and cognition. The drug aims to stabilize microtubules, which support the transport of essential nutrients and information between cells.
A 2010 California whooping cough epidemic highlighted the importance of vaccination for adults, pregnant women, and infant contacts. The disease had the highest incidence in infants under 6 months, with Hispanics being most affected in this age group, while Whites were most affected among children and adolescents.
A University of Michigan report found that Generation X is lukewarm about climate change, with a small but statistically significant decline in concern between 2009 and 2011. Only 5% of surveyed Gen Xers were alarmed, while 18% were concerned, with education and scientific knowledge being key factors in explaining levels of concern.
The Harvard Wyss Institute is developing a smart suit that improves physical endurance for soldiers by providing efficient actuation and joint support. The wearable system, made from soft, stretchable assistive devices, detects fatigue and boosts balance through low-level mechanical vibrations.
Researchers have unraveled the mystery of a unique virus-coping mechanism, revealing a crucial role for motif D in accurately replicating genetic material. This discovery holds promise for improving existing vaccines and designing new ones against RNA viruses that eluded vaccination strategies.
The UGA team created a single-step method to rapidly detect viruses, bacteria, and chemical contaminants using nanotechnology. They successfully detected compounds in highly diluted samples and mixtures with dyes, suggesting the technology can be used for food, blood, saliva, and urine testing.
Researchers at Arizona State University are developing a game-changing approach for drought monitoring using satellite detection and hydrologic models. The project aims to provide timely detection of drought events with high accuracy, enabling proactive decision-making for national water managers, irrigation districts, and policymakers.
Researchers identified two enzymes, t-PA and MMP-3, that promote injury severity following traumatic brain injury (TBI). Inhibiting these enzymes may protect the brain from TBI by blocking the activation of MMP-3, which causes damage. The study provides a promising therapeutic target for treating human TBI.
The TRMM satellite observed hurricane remnants dissipating in cool Eastern Pacific waters due to upper-level winds and surface temperatures below the necessary threshold for tropical cyclone maintenance. The remnants contained only light to moderate rainfall, located north of the low-pressure center.
Researchers implemented a community-based model, where volunteers provided basic care to HIV patients, achieving equivalent viral load results as hospital-based programs. After two years, 93% of patients showed viral suppression.
Researchers are developing smaller, lighter antennas with directional beamforming to increase user capacity by 50-100 times in the millimeter-wave spectrum. The project aims to relieve pressure on 4G wireless networks and offer tremendous value to the $1 trillion cellular industry.
Researchers at UT Dallas discovered that nerve stimulation can reorganize the brain, leading to potential new treatments for stroke, tinnitus, autism, and other disorders. The technology involves pairing vagus nerve stimulation with specific experiences, such as movements or sounds, to alter brain activity.
A new study from Lund University in Sweden has found that co-infection with mild HIV-2 can slow the development of AIDS in HIV-1-infected patients. The study suggests that HIV-2 can activate cellular reactions that naturally check the development of AIDS, leading to better preventive measures and treatments.
The Georgetown University Medical Center has established a first-of-its-kind center for treating and researching Huntington's disease. The center will provide comprehensive care, education, and research to patients and families affected by the disease.
New studies examine the role of flirtation in negotiations, finding it signals self-interest and competitiveness; individuals concerned with future consequences exercise more and adopt healthier habits; shooter biases may be driven by interpersonal threats rather than culture or race; husbands and wives express love differently in marr...
A study found that rituximab, an immune drug, helped patients with serious kidney disorder idiopathic membranous nephropathy experience remission, even when standard therapies failed. The treatment was safe and well-tolerated, with all patients achieving complete or partial remission over time.
Researchers at Rice University will study how bacterial decision-making occurs at the molecular level, aiming to improve medical applications and environmental remediation. The project combines computational and experimental techniques to bridge the gap in understanding biological systems.
Researchers have developed a new technology that allows for an individualized map of the DNA within a single sperm cell, providing insights into genetic diversity and potential applications in reproductive disorders. This technology could also be used to characterize differences in cancer cells taken from patients.