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IADR/AADR publish proceedings from Symposium on Tissue Injury and Pulp Regeneration

A symposium on tissue injury and pulp regeneration has published proceedings that highlight the potential of dental pulp engineering for regenerating functional dentin. Researchers present data on stem cells, scaffolds, and differentiation factors, demonstrating proof of principle for pulp/dentin regeneration.

Blood pressure changes are age-related

Researchers analyzed data from over 30,000 individuals to identify four phases of blood pressure changes throughout life. The study found that midlife acceleration in blood pressure was more pronounced in men than women due to menopause-related effects, and body mass index had a strong link with blood pressure.

SourcePLOS·JournalPLOS Medicine·DateJun 14, 2011

Dangerous and under the radar

A new report examines the ways to protect sex workers, highlighting the need for decriminalization and policy changes. The study, conducted by Concordia University and University of Windsor researchers, reveals that sex work is increasingly dangerous and unprotected, with many sex workers facing marginalization and violence.

SourceConcordia University·JournalCanadian Review of Sociology/Revue canadienne de sociologie·DateJun 7, 2011

Upping the anti

Researchers have successfully stored antimatter atoms for over 16 minutes, a significant milestone in understanding this elusive substance. The breakthrough allows scientists to test hypotheses about antimatter's behavior and its potential impact on our understanding of the universe.

SourceUniversity of Calgary·JournalNature Physics·DateJun 5, 2011

Eye on the environment

Researchers are working closely with indigenous communities to develop interventions to address the health impacts of climate change. Pilot projects include medicinal herb gardens, online traditional health knowledge banks, and agricultural training programs.

Counting on bigger mining returns

A new study developed by McGill Professor Roussos Dimitrakopoulos has created more accurate mine planning models that take into account uncertainty in the supply of minerals. This results in higher return on investment for mining companies while increasing metal production from the same asset.

Rethinking extinction

A recent study by McGill biologist Jonathan Davies and colleagues suggests that the criteria for assessing risk of extinction in plants should be revised. The researchers found that species with small population sizes, even if not limited to a specific geographical range, can also be at high risk of extinction due to their youth.

SourceMcGill University·JournalPLOS Biology·DateMay 25, 2011

Exotic behavior when mechanical devices reach the nanoscale

A groundbreaking study by Prof. Adrian Bachtold's team has discovered nonlinear damping behavior in nanoscale mechanical devices, which facilitates amplification of signals and dramatic improvements in sensitivity. The findings have profound consequences for the physics of nanoelectromechanical resonators and will enable significant ad...

Hard to arouse, hard to calm down

A new scale used to assess newborn behavior may help identify children who were exposed to methamphetamine prenatally and are at risk of developing problems later in life. The Infant Development, Environment, and Lifestyle (IDEAL) Study found that these children were hard to arouse but had difficulty calming down once awakened.

Flexible schedules, results-oriented workplaces reduce work-family conflict and turnover

A recent study published in American Sociological Review found that flexible schedules and results-oriented workplaces can significantly reduce work-family conflict and turnover. The research, conducted at the University of Minnesota, involved over 600 employees and a company-wide initiative to introduce a 'Results Only Work Environmen...

SourceAmerican Sociological Association·JournalAmerican Sociological Review·DateApr 6, 2011

Mothers' hard work pays off with big brains for their babies

A new study published in Proceedings of the National Academy of Sciences reveals that brain growth in babies is linked to maternal investment, including duration of pregnancy and breastfeeding period. The research suggests that longer pregnancies and breastfeeding periods result in bigger brains for babies.

SourceDurham University·JournalProceedings of the National Academy of Sciences·DateMar 28, 2011

Eye movement differs in British and Chinese populations

Researchers found a rare eye movement pattern more common in healthy Chinese individuals than in British participants, challenging the assumption that this pattern is only indicative of underlying neurological issues. This discovery could indicate subtle cultural or genetic influences on brain function, warranting further investigation.

SourceUniversity of Liverpool·JournalExperimental Brain Research·DateMar 24, 2011

Look at me!

Researchers investigated how older women feel about their representation in media and society, finding complex emotions and transformative experiences. The project encouraged women to create alternative images using photography, art therapy, and video techniques, leading to increased confidence and self-acceptance among participants.

How long does a tuning fork ring?

A team from Vienna and Munich has developed a numerical solver to predict the design-limited damping of mechanical resonators, enabling the creation of more efficient devices. The solver uses quantum mechanics to calculate the radiation of phonons from the resonator, removing the need for trial and error prototype fabrication.

SourceTechnical University of Munich (TUM)·JournalNature Communications·DateMar 8, 2011