Theoretical physicist Nikodem Poplawski proposes that our universe could be born from the interior of an Einstein-Rosen bridge (wormhole) within a black hole, potentially resolving issues with the Big Bang theory and black hole information loss. This model may also explain cosmic inflation.
Researchers found that gene duplication events led to functional diversity in sunflower genes, including a gene variant that lengthened flower growth periods. This trait may have been favored by early Native Americans for domestication purposes.
A study by Indiana University faculty members challenges conventional wisdom that education and income are inversely related to support for suicide bombings. The research found that education levels are more strongly opposed to civilian-targeted bombings, but not necessarily to foreign-targeted attacks.
Amit Hagar's three-year NSF grant will support the first comprehensive study of fundamental length, exploring its history and philosophy. The research aims to reconcile this concept with established principles and drive innovation in theoretical physics.
Researchers found that each junco has a unique and recognizable odor profile stable over two weeks, distinguishable from other individuals. The study's findings suggest that smell could play a role in reproductive isolation and the origin of new bird species.
A new mathematical model developed by Indiana University and Arizona State University geographers can help policymakers focus on spatial management of sex offenders, rather than punitive measures. The model allows communities to quantify risk and special concerns, enabling informed decision-making about sex offender policies.
Researchers found that fulvestrant's anti-cancer effects are enhanced when cells express high levels of cytokeratins CK8 and CK18, structural proteins involved in estrogen regulation. The study suggests that testing for these proteins could help doctors decide whether fulvestrant should be prescribed to patients.
A new IU study found that a representative sample of 18- to 96-year-olds had varying definitions of 'had sex', with 30% not considering oral sex as sex. The study highlights the need for specific language when discussing sex, affecting medical advice and health education efforts.
Research from Indiana University and the University of Wyoming found that picking lower-seed winners is a good strategy, while upsets are no better than chance. Experts advise against relying on intuition or favorite colors, as this approach often leads to sabotaging efforts.
A modified version of cardiac rehabilitation showed promise in addressing some risk factors for stroke, including hypertension and physical inactivity, within six weeks. Participants experienced significant improvements in blood pressure and physical function, suggesting a possible post-TIA treatment to reduce stroke risk.
A new study by Indiana University researchers found that more alcohol sales sites in a neighborhood lead to increased violence, particularly among carry-out sites selling for off-premise consumption. The study analyzed crime statistics and alcohol outlet licensing data from Cincinnati, Ohio, revealing that off-premise outlets were resp...
At high altitudes, athletes in skill sports such as figure skating and ski jumping must retool highly technical moves to accommodate reduced air resistance. In contrast, endurance sports like cross-country skiing benefit from acclimatization periods ranging from three to two weeks.
Experts say altitude affects athletes' times due to less oxygen delivery to muscles and reduced air density, impacting speed skating, ski jumping, and skiing events. Athletes need time to adjust to changes in projectile motion and breathing at high altitudes.
Researchers aim to improve methods for screening and testing glaucoma, a disease affecting 70 million people worldwide. The study will focus on optimizing perimetry testing and developing new statistical methods to compare different clinical measures.
A study found that people who follow more complex diets are more likely to drop out due to perceived difficulty. The researchers suggest choosing a diet plan with fewer rules and easier monitoring to increase long-term adherence.
Scientists discovered that Myxococcus xanthus cells recognize subtle genetic differences in one another, inhibiting cooperation and promoting competition. This suggests that cooperation may be driven by a desire to maintain evolutionary dominance rather than a shared kinship bond.
NSAID misuse can lead to severe risks such as stomach ulcers and cardiovascular problems. Experts recommend taking these drugs only after injury and in recommended dosages to avoid potential harm.
Researchers studying the model organism Daphnia pulex found that introns are inserted into the genome far more frequently than predicted, with many sequences of unknown origin. The study identified 'hot spots' for intron insertion and discovered parallel intron gains in independent genotypes.
A study by Indiana University found that using lubricants during sex significantly improves the pleasurable and satisfying aspects of sexual activity for both men and women. The research also showed that vaginal tearing is rare when lubricant is used, occurring in less than 1% of cases.
A study by Indiana University found that adults with intellectual disabilities increased their personal health knowledge after taking a semi-weekly class for four weeks. The study also investigated the use of stability balls at work, finding that they can strengthen core muscles and promote more natural movement.
Researchers found that gossip in formal settings is often veiled criticism, but can be redirected by changing the subject or targeting another colleague. The study also identified subtle ways that people who are targets of gossip are negatively evaluated during meetings.
Researchers have developed a novel detector molecule that can sense cyanide in water at normal pH levels and emit light, offering a potential solution for protecting people from cyanide-laced drinking water. The molecule's modular structure allows it to be modified to enhance its sensitivity and detect different toxins.
Recent studies by Indiana University researcher Virginia J. Vitzthum found that living conditions, particularly economic activities and food supply, can more than double early pregnancy loss rates in rural Bolivian women. Environmental factors also play a major role in reproductive fitness for men.
A study by Indiana University found that women with more positive attitudes towards their genitals are more likely to engage in sexual health-promoting behaviors. The study also suggests that men generally have more positive attitudes towards women's genitals than women.
The new program in international research ethics at IUPUI combines coursework and a practicum experience in Kenya to equip students with expertise in bioethics. The IU-Moi Academic Research Ethics Partnership aims to build valuable bioethics capacity globally, starting with partnerships in Kenya.
Katherine Rhode's five-year NSF CAREER award will fund a wide-field imaging survey of globular cluster systems in giant galaxies up to 65 million light years away. The goal is to quantify properties and test theories on galaxy formation.
A new study by Indiana University researchers found a common link between bird flocks, breast milk, and trust, regulated by neurochemicals oxytocin and mesotocin. Blocking mesotocin in female zebra finches reduced social preferences, while administering it increased social behavior.
Scientists from Indiana University and three other institutions find that polyploidy is a common process responsible for 15% of flowering plant species and 30% of fern species. However, the study also suggests that extra genomes may not provide a powerful advantage over diploid plants.
Researchers at Indiana University found that stigma surrounding mental illnesses like depression and bipolar disorder remains despite increased pharmaceutical advertising. The study suggests that medicalization of these conditions has not reduced stigma, contrary to current thinking.
Indiana University researchers examine how rural LGBTQ youth use the internet to find representation, while dog owners' attitudes towards animals are influenced by cultural logics and personal experiences. Additionally, students perceive bullying as a false dichotomy, with themselves labeling as non-bullies even if engaging in behavior...
A recent study found that only one group of mammals - humans, mice, and their close relatives - have seen their genomes decrease in size since the dinosaurs went extinct. This trend continues today, with human genomes undergoing a contraction, although noticeable changes won't be observed for several million years.
Biologists discovered that parasites drive snails to reproduce sexually, increasing genetic diversity and resistance to infection. The study supports the Red Queen Hypothesis and Geographic Mosaic Theory, showing that host species can adapt to avoid parasite coevolution by producing genetically variable offspring.
A study by Indiana University found that geography knowledge among college freshmen has not improved despite increased K-12 support. The test scores were two percent lower in 2002 than in 1987, reflecting a national trend.
The IU School of Optometry has been awarded a $2.2 million grant from the National Institutes of Health to support its vision research program. The grant will enable researchers to improve their infrastructure, including electronics, machine shop, and scientific computing resources.
Vibrator use is prevalent among adult Americans, reported by 53% of women and 45% of men, associated with positive sexual function and proactive sexual health care. The studies also found no significant differences in vibrator use between heterosexual and gay/bisexual men.
A new IUPUI study finds that living near a fast food outlet has little impact on childhood weight, contrary to traditional assumptions. Residing near recreational facilities, however, is associated with lower body mass indexes.
Researchers have developed a low-cost strategy to discover new drugs for neglected diseases, utilizing global educational resources and distributed problem-solving. Students worldwide are synthesizing candidate molecules, meeting industry standards, and participating in the process.
A clinical review found that commonly prescribed medications for allergies, hypertension, asthma, and cardiovascular disease can cause immediate but possibly reversible cognitive impairment in older adults. Anticholinergic effects of these drugs are often unrecognized by prescribers.
A study by Indiana University researchers found that the ingestion of caffeine within an hour of exercise can reduce the symptoms of exercise-induced asthma (EIA). Smaller amounts of caffeine also reduced wheezing, coughing and other symptoms of EIA. The study extended earlier research on caffeine's effectiveness in reducing EIA symptoms.
A study by Indiana University neuroscientist Heather Rupp found that women without sexual partners spent more time evaluating male photos, indicating a greater interest. The researchers suggest this may be due to women's relatively committed romantic relationships suppressing their attention to alternative partners.
Researchers developed a strategy to improve both depression and pain management by closely monitoring antidepressant therapy and providing pain self-management training. The study found that this approach led to substantial improvements in both conditions, with benefits lasting six months after treatment was completed.
The Regenstrief Institute has developed the Indiana Network for Patient Care (INPC), allowing emergency department providers across the state to access patients' medical histories. This technology will provide critical information for best course treatment and help strategize for future events.
Two ancient genes in beetles were found to be co-opted for a new trait, challenging the idea that fundamental genes cannot acquire new functions. The study also suggests that developmental genes are candidates for recruitment and may not be as constraining as previously thought.
A study conducted by researchers at Riley Hospital and Indiana University found that two-thirds of booster car seats were misused, putting children at risk. The misuse included errors in belt placement, leading parents to prioritize proper use and supervision.
Research by Charles Horowitz at Indiana University reveals that the crusts of neutron stars are 10 billion times stronger than steel or other earth's strongest metal alloys. The findings have significant implications for understanding surface irregularities, star quakes, and magnetar giant flares.
A study by Indiana University researchers found that women who are aware of both a negative and positive stereotype related to performance identify more closely with the positive stereotype, improving their performance. The study demonstrated how the negative stereotype can encroach on working memory, but the positive stereotype had no...
The new AAP clinical report offers guidance on secure transport and advises parents to use car safety seats only for travel, while car beds are recommended for infants with breathing difficulties. The guidelines recommend placement of car seats in the rear seat and use of rolled blankets for support.
A recent study by Indiana University researchers found that genetic predisposition to impulsivity is a trait predictive of alcoholism. The study used selective breeding to produce mice with high and low alcohol-preferred genes, which demonstrated that predisposition to impulsivity is predictive of alcoholism.
A team of astronomers has found a sample of massive galaxies with properties suggesting they may have formed recently, running counter to widely-held beliefs. The discovery challenges our understanding of galaxy formation and evolution, offering new opportunities for research into the origin and early history of galaxies.
Researchers from Regenstrief Institute have developed a technology that allows public health officials to send instant alerts to doctors and hospitals using an existing clinical messaging service. This approach minimizes delays in notification, which can be critical in disease outbreak response.