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Science News Archive March 2018


Page 19 of 41

Liquid-to-glass transition process gains clarity

Researchers have made significant strides in understanding how atoms rearrange at different temperatures during the glass transition process. The team found that the time it takes for atoms to lock into place varies widely, with some regions 'sticking' first and holding on to their neighbors for a long time.

Palm trees are spreading northward -- how far will they go?

A new study reveals that palm trees can thrive in regions as cold as Washington DC, with an average temperature above 2 degrees Celsius. The study's findings suggest that palms are sensitive indicators of changing climates and can provide insights into past temperatures.

SAMSUNG T9 Portable SSD 2TB

SAMSUNG T9 Portable SSD 2TB transfers large imagery and model outputs quickly between field laptops, lab workstations, and secure archives.

Premature hearts less able to cope with exercise

A study published by the British Heart Foundation found that premature hearts are less able to cope with exercise, leading to increased risk of heart failure. Researchers compared the heart function of adults born prematurely to those carried to term and discovered a significant difference in blood leaving the heart during exercise.

Aranet4 Home CO2 Monitor

Aranet4 Home CO2 Monitor tracks ventilation quality in labs, classrooms, and conference rooms with long battery life and clear e-ink readouts.

Three genes essential for cells to tell time

A recent study by University of Tokyo scientists has identified the Ask genes as crucial for regulating circadian rhythms and responding to cellular stress. The research found that cells lacking these genes are impaired in their ability to adapt to daily changes in environmental conditions, leading to disruptions in sleep-wake cycles.

Most Americans found to have suboptimal cardiovascular health

A study of data from the National Health and Nutrition Examination Survey (NHANES) found that most Americans have suboptimal cardiovascular health. The study also revealed racial disparities in cardiovascular health, with rates of optimal health remaining below 40% for whites, 25% for Mexican Americans, and 15% for African Americans.

Apple iPhone 17 Pro

Apple iPhone 17 Pro delivers top performance and advanced cameras for field documentation, data collection, and secure research communications.

Social determinants of health linked to HIV mortality rates

A new study found that people with HIV in Ontario are dying at higher rates than the general population, highlighting the impact of social determinants on health outcomes. The study suggests that factors such as unemployment, low income, homelessness, and incarceration contribute to increased mortality rates among people with HIV.

Mars' oceans formed early, possibly aided by massive volcanic eruptions

A new scenario proposes that Mars' oceans formed several hundred million years earlier than previously thought, linking their existence to the rise of the solar system's largest volcanic system, Tharsis. The model suggests that global warming and volcanic eruptions played a key role in allowing liquid water to exist on Mars.

Nikon Monarch 5 8x42 Binoculars

Nikon Monarch 5 8x42 Binoculars deliver bright, sharp views for wildlife surveys, eclipse chases, and quick star-field scans at dark sites.

Severe war injuries and PTSD can impact hypertension risk

A new study found that severe combat wounds and chronic PTSD can increase the risk of developing high blood pressure. The research reviewed records of over 3,800 US service members who received intensive care for combat injuries sustained during the Iraq and Afghanistan wars.

Fish accounted for surprisingly large part of the Stone Age diet

New research reveals that fish was a dominant source of protein in the Stone Age diet, with 50-60% of protein intake coming from marine sources. The study uses stable isotopes to analyze human bones and finds that fishing was surprisingly common, even in areas where land mammals were scarce.

Fighting illegal fishing

Indonesia's anti-IUU fishing policies have successfully kick-started fishery recovery without reducing local fishing effort or catch. The country's policies reduced foreign fishing in its waters by over 90% and total fishing by 25%, generating a 14% increase in catch and a 15% increase in profit by 2035.

Paraplegic rats walk again after therapy, now we know why

Researchers at EPFL have discovered that the brain reroutes task-specific motor commands through alternative pathways originating in the brainstem and projecting to the spinal cord. This rewiring leads to new connections between the brain and spinal cord, enabling rats to regain control over their paralyzed limbs.

More people miss NHS appointments when clocks go forward

Researchers found that patients are 5% more likely to miss an appointment in the week after clocks go forward compared to the previous week. Missed appointments represent a significant financial issue for the NHS and have a negative impact on patient care.

GoPro HERO13 Black

GoPro HERO13 Black records stabilized 5.3K video for instrument deployments, field notes, and outreach, even in harsh weather and underwater conditions.

Scientists have a new way to gauge the growth of nanowires

Researchers create technique to observe defects in individual nanowires using Bragg ptychography, enabling better control over optoelectronic properties. The method provides a missing link between nanoscale defect structure and variations in strain.

Newly described human antibody prevents malaria in mice

A newly discovered human antibody called CIS43 has been shown to prevent malaria infection in mice. The research, led by NIAID, may lead to a short-term protective measure against the disease. Further studies are planned to confirm its effectiveness and potential use as part of mass drug administration efforts to eliminate malaria.

Scientists invented method of catching bacteria with 'photonic hook'

Researchers at ITMO University have created a new type of curved light beam called a photonic hook, which can improve optical system resolution and control nanoparticles. The technique uses a dielectric particle to bend the light beam, allowing for the manipulation of individual cells, viruses, or bacteria on a nanoscale.

CalDigit TS4 Thunderbolt 4 Dock

CalDigit TS4 Thunderbolt 4 Dock simplifies serious desks with 18 ports for high-speed storage, monitors, and instruments across Mac and PC setups.

Agriculture initiated by indigenous peoples, not Fertile Crescent migration

Researchers at the University of Liverpool discovered that small-scale farming was initiated by indigenous communities in Turkey's Anatolian plateau, contradicting previous theories. The study found evidence of crop cultivation and herding of sheep and goats, suggesting a stable and persistent use of crops for over 5 centuries.

Garmin GPSMAP 67i with inReach

Garmin GPSMAP 67i with inReach provides rugged GNSS navigation, satellite messaging, and SOS for backcountry geology and climate field teams.

E-cigarettes may lead to accumulation of fat in the liver

A new study suggests that e-cigarette use may lead to an accumulation of fat in the liver, potentially detrimental to health. Researchers found changes in 433 genes associated with fatty liver development and progression in mice exposed to e-cigarettes.

The Swiss army knife of smoke screens

Researchers have created a new kind of smoke that can block both visible and infrared detection, which is crucial for military operations. The development could lead to the creation of a 'Swiss army knife' of smoke grenades with multiple spectral capabilities.

Race, pre-pregnancy BMI may help predict maternal weight gain

Research suggests that race and pre-pregnancy body mass index (BMI) affect leptin and adiponectin levels, which can predict weight gain during pregnancy. Lower levels of adiponectin are associated with higher risk of gestational diabetes, while higher leptin levels are linked to pre-eclampsia.

Celestron NexStar 8SE Computerized Telescope

Celestron NexStar 8SE Computerized Telescope combines portable Schmidt-Cassegrain optics with GoTo pointing for outreach nights and field campaigns.

Better understanding ALS by looking at how cells change

An international team of neuroscientists has discovered a basic molecular mechanism that better understands Lou Gehrig's disease, or amyotrophic lateral sclerosis (ALS), by investigating how cells change. This research could lead to new therapies for the debilitating disease.

DJI Air 3 (RC-N2)

DJI Air 3 (RC-N2) captures 4K mapping passes and environmental surveys with dual cameras, long flight time, and omnidirectional obstacle sensing.

High-energy breakfast promotes weight loss

A new study from Israel found that a diet with three meals per day, including a high-energy breakfast, promotes weight loss and improves diabetes control in obese type 2 diabetes patients. The study showed significant reductions in glucose levels, insulin dosage, and hunger.

Decline in colorectal cancer deaths in Europe is a 'major success' story

European researchers predict that colorectal cancer death rates will continue to fall by around seven percent compared to 2012, resulting in nearly 392,300 avoided deaths. The decline is attributed to improved diagnosis and management of the disease, as well as reduced risk factors such as tobacco, alcohol, and obesity.

New diabetes drug may help people with obesity lose weight

A new study suggests that semaglutide, a compound mimicking the hormone glucagon-like peptide 1, can aid in significant weight loss for individuals with obesity but without diabetes. Participants receiving semaglutide lost an average of 6-13% of their body weight, with higher doses resulting in greater weight reductions.

Apple iPad Pro 11-inch (M4)

Apple iPad Pro 11-inch (M4) runs demanding GIS, imaging, and annotation workflows on the go for surveys, briefings, and lab notebooks.

Volcanic eruption influenced Iceland's conversion to Christianity

A team of scientists and medieval historians used ice cores and tree rings to date the Eldgjá volcanic eruption, which occurred soon after Iceland's settlement. The researchers found that memories of the eruption were used to stimulate the Christianisation of Iceland in medieval poem Voluspá.

Low sperm count not just a problem for fertility

A study of 5,177 male partners of infertile couples found that low sperm counts are associated with metabolic alterations, cardiovascular risk, and low bone mass. Men with low sperm counts were more likely to have a bigger waistline, higher blood pressure, and lower HDL cholesterol.

Overeating during breastfeeding may affect the health of offspring

A new study suggests that overeating during breastfeeding may lead to an increased risk of obesity, diabetes, advanced puberty, and reduced fertility in children. The research found that mice whose mothers were fed a high-fat diet during breastfeeding experienced obesity, early puberty, and reproductive problems in their offspring.

AmScope B120C-5M Compound Microscope

AmScope B120C-5M Compound Microscope supports teaching labs and QA checks with LED illumination, mechanical stage, and included 5MP camera.

Prenatal exposure to plasticizer may affect male fertility in future generations

A new study in mice found that prenatal exposure to di-(2-ethylhexyl) phthalate (DEHP), a common endocrine disruptor, can lead to decreased fertility and reproductive abnormalities in males. The researchers discovered that even the offspring of male mice exposed to DEHP during pregnancy exhibited similar reproductive problems.

Apple MacBook Pro 14-inch (M4 Pro)

Apple MacBook Pro 14-inch (M4 Pro) powers local ML workloads, large datasets, and multi-display analysis for field and lab teams.

Too few women with diabetes receive recommended preconception counseling

Women with type 1 or type 2 diabetes are often not receiving the recommended preconception counseling before pregnancy. Despite this, primary care providers believe they are providing more frequent counseling than actual data suggests. The Endocrine Society's study highlights the need for improved preconception counseling rates among w...

Estrogen may reduce disordered eating in female athletes with irregular periods

A new study published by The Endocrine Society found that estrogen replacement therapy can improve drive for thinness, body dissatisfaction, and uncontrolled eating in female athletes with exercise-induced menstrual irregularities. Female athletes with irregular periods reported more disordered eating behavior than those with regular p...

Apple AirPods Pro (2nd Generation, USB-C)

Apple AirPods Pro (2nd Generation, USB-C) provide clear calls and strong noise reduction for interviews, conferences, and noisy field environments.

Clinical medicine training prepares medical students to treat transgender patients

A new study from Boston University School of Medicine suggests that medical students who receive specialized training in clinical transgender medicine are better equipped to treat transgender patients. The study found that these students reported significant improvements in their confidence and knowledge, leading to improved patient care.