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Science News for May 22, 2014


First broadband wireless connection ... to the moon?!

A team of MIT researchers has successfully demonstrated a broadband wireless connection to the moon using a laser-based communication system, transmitting data at a rate of 622 megabits per second. The system, which uses multiple telescopes and amplification techniques to overcome atmospheric challenges, has the potential to enable lar...

SourceOptica·DateMay 22, 2014

Lower mantle chemistry breakthrough

Scientists have discovered a significant difference in lower mantle chemistry, shifting from a single ferromagnesian silicate mineral to two distinct phases, including an iron-rich and hexagonal structure called H-phase. This finding challenges geodynamic models and may lead to new discoveries about the deep Earth.

Blocking pain receptors found to extend lifespan in mammals

Researchers discovered that blocking pain receptors, specifically TRPV1, can extend lifespan in mice by promoting a youthful metabolism and reducing the risk of age-related diseases like diabetes. The study also found that diets rich in capsaicin, a compound found in chili peppers, may help improve metabolic health and longevity.

SourceCell Press·JournalCell·DateMay 22, 2014

Which way is up?

A new UCSB study shows that the protein E-cadherin promotes collective cell migration by guiding cells to move and migrate. The researchers used innovative experimental tools to measure forces on E-cadherin molecules, revealing a non-perturbing approach to understanding tissue morphology.

Male and female sex cell determination requires lifelong maintenance and protection

A study from the University of Minnesota found that sex-specific transcription factors perform lifelong work to maintain sexual determination and protect against reprogramming of cells. The researchers identified key transcription factors responsible for maintaining sexual differentiation, including DMRT1 and FOXL2.

SourceUniversity of Minnesota Academic Health Center·JournalDevelopmental Cell·DateMay 22, 2014

Could cannabis curb seizures? Experts weed through the evidence

Studies suggest that medical marijuana and CBD may help reduce seizure frequency in patients with Dravet syndrome. However, current data is mostly anecdotal and not well-controlled. Researchers emphasize the need for rigorous investigation of medical marijuana's safety and efficacy before drawing conclusions.

SourceWiley·JournalEpilepsia·DateMay 22, 2014

Sincere family gift creates unique bridge between Tel Aviv University and University of Wisconsin

The Debra and Richard Sincere Tel Aviv University Project in Middle Eastern Studies will award substantial scholarships to outstanding doctoral students, fostering joint academic activities with the University of Wisconsin. The gift also supports research seminars, conferences, and faculty/student exchanges between the two institutions.

Bending helps to control nanomaterials

Bending nanomaterials can detach layers from each other, improving control over their electronic and optical properties. This discovery advances research in nanoelectronics and optoelectronics, allowing for more accurate interpretation and tuning of material properties.

Study of 850,000 people shows women with diabetes 44 percent more likely to develop coronary heart disease than men with diabetes

A systematic review and meta-analysis of over 850,000 people shows that women with diabetes are nearly three times more likely to develop coronary heart disease than women without diabetes. Men with diabetes are twice as likely to develop CHD. The study suggests that sex-specific interventions could improve the prevention of CHD.

SourceDiabetologia·JournalDiabetologia·DateMay 22, 2014

Repeated sexual assault victims report more psychological problems than previously thought

Researchers have discovered that victims of repeated non-violent sexual assault experience higher levels of psychological distress and lower self-esteem compared to those who are violently raped. The study's findings highlight the importance of understanding patterns of sexual victimization to develop strategies to combat sexual assaul...

SourceUniversity of Missouri-Columbia·JournalJournal of Interpersonal Violence·DateMay 22, 2014

Not all diamonds are forever

Rice chemist Ed Billups and colleagues created nanodiamonds in hydrogenated anthracite coal, but smaller diamonds degraded with subsequent images taken under an electron microscope. The researchers found a window of stability for diamonds within a range of 19-52 angstroms.

SourceRice University·JournalThe Journal of Physical Chemistry Letters·DateMay 22, 2014

New insight into stem cell development

Researchers from University of Southern Denmark have discovered that proteins called transcription factors work together in a new and complex way to reprogram the DNA strand when a stem cell develops into a specific cell type. This discovery could lead to new ways of making stem cells develop into exactly the type of cells that a physi...

SourceUniversity of Southern Denmark·JournalCell Reports·DateMay 22, 2014

New technology may help identify safe alternatives to BPA

Researchers have developed new tests to classify compounds' activity with great detail and speed, identifying safer replacements for BPA. The advance could offer a fast and cost-effective way to identify safe alternatives, as millions of tons of BPA and related compounds are produced each year.

SourceCell Press·JournalChemistry & Biology·DateMay 22, 2014

Patients with a certain form of kidney disease may have a reduced risk of cancer

Research suggests that patients with polycystic kidney disease (PKD) who undergo a kidney transplant may be less likely to develop cancer compared to those without PKD. The study found that PKD patients were 16% less likely to develop cancer than others who received a kidney transplant, and their overall cancer risk was 48% lower than ...

SourceAmerican Society of Nephrology·JournalJournal of the American Society of Nephrology·DateMay 22, 2014

Newborn health improves despite income gap

A review of recent economic research found that newborn health has improved nationally in recent years, with a decrease in low birth weight among disadvantaged mothers over the last 20 years. This improvement is attributed to increased public policies and programming aimed at improving prenatal and postnatal care.

SourceBrown University·JournalScience·DateMay 22, 2014

Eumelanin's secrets

Eumelanin, the primary pigment in human skin, hair, and eyes, has been found to absorb a broad spectrum of sunlight due to its unique physical arrangement. Researchers have identified that disorder in the material's structure plays a crucial role in its broadband blocking ability.

SourceMassachusetts Institute of Technology·JournalNature Communications·DateMay 22, 2014

One molecule to block both pain and itch

Researchers at Duke University discovered an antibody that simultaneously blocks the sensations of pain and itching by targeting Nav1.7 sodium channels. The study showed promising results in mouse models, suggesting a new treatment option for pain and itch conditions.

SourceDuke University·JournalCell·DateMay 22, 2014

Marriage of convenience with a fungus

Researchers found that not all plants react to the fungus in the same way, with some experiencing increased catalpol and citric acid levels while others show little change. The study's findings suggest that the impact of the fungal symbiosis on plant chemistry is not uniform across all plant species.

SourceBielefeld University·JournalNature Communications·DateMay 22, 2014

Screening for autism: There's an app for that

Researchers at Duke University have developed software that tracks and records infants' activity during videotaped autism screening tests. The program is as good as experts giving the test themselves and better than non-expert medical clinicians and students in training, showing promise in identifying early signs of autism.

Gene behind unhealthy adipose tissue identified

Researchers at Karolinska Institutet identified the EBF1 gene driving unhealthy adipose tissue development, associated with increased risk of insulin resistance and type 2 diabetes. The study found that individuals with large fat cells had lower EBF1 expression, altered lipid mobilization, and insulin resistance.

SourceKarolinska Institutet·JournalCell Metabolism·DateMay 22, 2014

Scientists identify potential vaccine candidate for pediatric malaria

Researchers have identified a substance, known as PfSEA-1, that generates antibodies which can hinder the ability of malaria parasites to multiply, potentially protecting against severe malaria infection. The antigen was associated with reduced parasite levels among children and adults in malaria-endemic areas, and mice exposed to PfSE...

Ancient DNA ends Aussie claim to kiwi origins

A new study by the University of Adelaide's Australian Centre for Ancient DNA has solved a 150-year-old evolutionary mystery about the origins of giant flightless birds. The research found that the kiwi is most closely related to the extinct Madagascan elephant bird, contrary to previous claims.

SourceUniversity of Adelaide·JournalScience·DateMay 22, 2014

Being Sardinian puts a smile on the face of the elderly

A new study reveals that Sardinians' active lifestyle, social connections, and access to healthcare contribute to lower levels of depression among the elderly. In contrast, residents from Northern Italy face higher rates of depression due to factors like limited social support and high-stress lifestyles.

SourceSpringer·JournalApplied Research in Quality of Life·DateMay 22, 2014

'I can' mentality goes long way after childbirth

A Michigan State University study found that women with a strong 'I can' mentality during pregnancy and postpartum periods retained less weight and performed more physical activities. The research team measured physical activity levels, barriers to exercise, and the ability to overcome them in 56 women.

SourceMichigan State University·JournalAmerican Journal of Lifestyle Medicine·DateMay 22, 2014