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Science News Archive July 2015 - Page 8


Page 8 of 34

DNA suggests that the diversity of European butterflies could be seriously underestimated

A study of 228 butterfly species in the Iberian Peninsula suggests that up to 28% could be entirely new to science, highlighting the need for conservation efforts and genetic identification tools. This DNA analysis will aid in differentiating between morphologically similar species and inform priority conservation strategies.

SourceSpanish National Research Council (CSIC)·JournalScientific Reports·DateJul 24, 2015

Unlocking the rice immune system

Researchers at Joint BioEnergy Institute have identified a bacterial protein called RaxX that activates rice plant's immune response to Xanthomonas oryzaepv.oryzae, the pathogen causing bacterial blight. This discovery has important implications for future grass-type biofuel feedstocks and the worldwide supply of rice.

SourceDOE/Lawrence Berkeley National Laboratory·JournalScience Advances·DateJul 24, 2015

Inbreeding not to blame for Colorado's bighorn sheep population decline

A new study has found that inbreeding is not the primary cause of Colorado's declining bighorn sheep population. Genetic analysis suggests that high ram migration and gene flow between herds have maintained healthy levels of genetic variation, rescuing the population from a genetic bottleneck. However, other factors such as nutritional...

SourceUniversity of Colorado at Boulder·JournalJournal of Wildlife Management·DateJul 24, 2015

Brain structure reveals ability to regulate emotions

Research found that healthy individuals with difficulties regulating emotions exhibit smaller volume in orbitofrontal cortex, a region also affected in people with borderline and antisocial personality disorders. The study suggests a continuum in emotional regulation ability, with extreme variants leading to psychiatric diagnoses.

SourceKarolinska Institutet·JournalSocial Cognitive and Affective Neuroscience·DateJul 24, 2015

Study identifies risks related to falling in patients with COPD

A recent year-long study reveals that 40% of patients with chronic obstructive pulmonary disease (COPD) experience falls, with over 75% falling multiple times. The study identifies several factors linked to an increased risk of falling, including smoking, other illnesses, and taking multiple medications.

SourceWiley·JournalRespirology·DateJul 24, 2015

Diagnosis of psychiatric disorders not as important as outcomes

Mark Zimmerman, a clinical researcher at Rhode Island Hospital, suggests that accurate diagnosis of psychiatric disorders is not as crucial as effective treatment outcomes. Prescription medications and therapy are often effective for various conditions, reducing the need for precise diagnosis.

SourceLifespan·JournalJournal of Clinical Psychiatry·DateJul 24, 2015

Return-to-work outcomes better for SSDI beneficiaries who use vocational rehab services

Researchers found that SSDI beneficiaries who enrolled in state vocational rehabilitation agency services achieved work milestones at a faster rate than those who did not. The study suggests that provision of these services may be a means of reducing the costs of SSDI and improving employment outcomes for individuals with disabilities.

SourceKessler Foundation·JournalJournal of Disability Policy Studies·DateJul 24, 2015

Object recognition for robots

A new algorithm developed by MIT researchers combines SLAM and object recognition to improve robots' performance. The system uses SLAM information to augment existing object-recognition algorithms, achieving comparable performance to special-purpose robotic object-recognition systems that factor in depth measurements.

Changing the color of light

The University of Delaware research team aims to improve solar cells and medical imaging by changing the color of low-energy light into higher-energy colors. Their novel approach could lead to a significant boost in solar energy harvesting, with predicted efficiencies of up to 30%.

Chemotherapy and quality of life at the end of life

A study published in JAMA Oncology found that chemotherapy was associated with worse quality of life near death for patients who could still perform many life functions. The researchers concluded that chemotherapy use may be unnecessary and potentially harmful for patients with progressive metastatic disease.

SourceJAMA Network·JournalJAMA Oncology·DateJul 23, 2015

'Successful aging' linked to harmful drinking among over 50s

Research published in BMJ Open found that successful aging is associated with harmful drinking among older adults. Analysis of over 9000 responses from the English Longitudinal Survey of Ageing showed that higher income, better health, and social activity levels are linked to increased risk of hazardous drinking.

SourceBMJ Group·JournalBMJ Open·DateJul 23, 2015