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Science News Archive 2009


Page 193 of 277

Cattle genome sequencing milestone promises health benefits, researcher says

A recent cattle genome sequencing milestone has significant implications for human health research, revealing a closer genetic link between humans and cattle than previously thought. The study's findings suggest that milk evolved as an immune function, essential to the survival of newborn mammals, dating back over 160 million years.

Apple iPhone 17 Pro

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

How late is too late to break bad habits?

A study of over 2,000 seniors found that quitting smoking can slow down gait and improve overall health. Changing bad habits such as poor food choices and lack of exercise can also have a significant impact on senior health.

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.

Even modest exercise can reduce negative effects of belly fat

A new University of Illinois study suggests that moderate exercise can reduce visceral fat inflammation, even without a change in diet. The benefits were apparent in both short-term and long-term studies, with significant reductions in belly fat and improved insulin sensitivity found in mice.

Noninvasive test accurately identifies gynecologic malignancies

A noninvasive test using diffusion weighted MRI accurately identifies benign from malignant pelvic lymph nodes in patients with gynecologic malignancy. The test has a sensitivity of 92% and specificity of 85%, making it a useful tool for determining the extent of cancer spread.

Celestron NexStar 8SE Computerized Telescope

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

MIT: Jeremy Nathans to deliver Scolnick Prize lecture

Jeremy Nathans receives the Scolnick Prize for his groundbreaking work on color vision, brain development, and retinal disease. His research has led to significant insights into human blindness and the basis for many forms of color blindness.

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.

MRI identifies 5 causes of complications from ACL reconstructive surgery

A study using MRI has identified five possible causes of patient complications after ACL reconstructive surgery, including graft discontinuity and hardware failure. Persistent pain is the most common complaint among patients, with other symptoms such as instability and joint swelling also reported.

How cigarettes calm you down

Researchers found that nicotine alters brain areas involved in inhibiting negative emotions like anger, leading to reduced retaliation and increased cravings. The study supports the idea that individuals with an angry disposition are more susceptible to nicotine's effects.

Scientists moving closer to 'artificial noses'

Researchers at LMU Munich have created a system of nanostrings made of non-conducting material, which can be individually electrically excited and produce thousands of strings on a small chip. This breakthrough could lead to the development of highly sensitive 'artificial noses' for detecting various molecules, including pollutants.

Davis Instruments Vantage Pro2 Weather Station

Davis Instruments Vantage Pro2 Weather Station offers research-grade local weather data for networked stations, campuses, and community observatories.

EU supports future metrological research

The European Union has launched a €400 million research program to develop highly precise measurements in healthcare, energy, environmental and advanced technology sectors. The EMRP program aims to bring together the best minds from one research area, creating new foundations for metrology.

New cow genome sequence released

Scientists from the University of Maryland have published their assembly of the domestic cow genome, improving on previous versions in terms of completeness and accuracy. The new assembly is anchored onto chromosomes with around 91% of the genome placed correctly.

A genomic CluE for cloud computing

Researchers at the University of Maryland are working on a project to analyze vast amounts of DNA sequencing data using remote computer clusters, also known as Cloud Computing. The goal is to determine whether this approach can be more cost-effective and efficient than traditional local clusters.

Fluke 87V Industrial Digital Multimeter

Fluke 87V Industrial Digital Multimeter is a trusted meter for precise measurements during instrument integration, repairs, and field diagnostics.

New study reveals the protein that makes phosphate chains in yeast

Researchers at EMBL discovered Vtc4p as the protein responsible for producing polyphosphate chains in yeast, a process crucial for energy storage and other cellular functions. This finding has significant implications for agriculture, including improved crop production and fertilizer development.

Immune cell type controls onset and course of severe malaria

A subset of immune cells has been found to contribute to the development of severe malaria by suppressing the immune system and allowing parasites to grow uncontrollably. This discovery could lead to new drug targets and immunotherapies against malaria, as well as insights into other inflammatory diseases.

Type of vitamin B1 could treat common cause of blindness

Researchers discovered benfotiamene, a fat-soluble form of vitamin B1, strongly suppresses uveitis by shutting down NF-kappa B activation. This treatment has great potential due to its low cost and rapid absorption, with existing clinical trials showing improved diabetic polyneuropathy outcomes.

Medical emergency in Sri Lanka

The Lancet Editorial highlights the dire humanitarian situation in Sri Lanka, citing higher maternal and infant mortality rates in the Tamil-dominated northeast. The report attributes these inequalities to violence, economic embargo, and discrimination against Tamils.

Apple Watch Series 11 (GPS, 46mm)

Apple Watch Series 11 (GPS, 46mm) tracks health metrics and safety alerts during long observing sessions, fieldwork, and remote expeditions.

Researchers discover that gene switches on during development of epilepsy

A study published in the Journal of Neuroscience found that a specific gene can be 'switched on' in animals without a genetic predisposition to epilepsy, leading to changes in calcium channels and brain activity. This discovery may reveal a new mechanism for how epilepsy develops in some individuals.

Poor treatment for common vertebral compression fractures

Patients with vertebral compression fractures experience prolonged intense pain, with over two-thirds reporting severe pain one year after injury. Current treatment and advice are deemed insufficient, requiring revised approaches to improve patient outcomes.

Vitamin D levels linked to asthma severity

Research suggests a link between vitamin D insufficiency and increased asthma severity in children, including hospitalizations, airway reactivity, and use of inhaled steroids. Vitamin D levels were inversely linked to several indicators of allergy and asthma severity.

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.

Self-healing concrete for safer, more durable infrastructure

A new material developed at the University of Michigan can heal itself when it cracks due to its designed narrow hairline cracks. The self-healing concrete recovered most of its original strength after being subjected to a 3% tensile strain, making it safer and more durable for infrastructure.

A warm TV can drive away feelings of loneliness and rejection

Studies found that illusionary relationships with TV characters can give people real pleasure, reducing feelings of loneliness and rejection. The research suggests that technologies like TV shows and video games can fulfill human needs for belongingness.

Americans ambivalent toward single-parent families

A new study published in the Journal of Marriage and Family reveals that Americans have an ambivalent attitude towards single-parent families. The research found that critical depictions of divorce decreased over time, reflecting an acceptance of divorce, but attitudes towards nonmarital childbearing remained largely negative.

Do good looks get high school students good grades?

A new study by University of Miami researchers found that physical attractiveness, personality, and grooming have a significant impact on high school grades. Grooming is the strongest predictor for boys, while personality is more important for girls.

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.

Plants absorb more carbon under hazy skies

Research finds that atmospheric pollution has enhanced global plant productivity by up to a quarter since 1960, leading to a 10% increase in carbon stored by the land. This unexpected effect occurs due to increased diffuse radiation reaching the Earth's surface under hazy conditions.

Instead of fighting breast cancer, immune cell promotes its spread

Researchers found that lymphocytes, a type of immune system cell, produce the inflammatory protein RANKL when breast cancer cells are present. This leads to increased lung metastases. Blocking RANKL can halt cancer progression and may be a potential target for drug therapy.

Why you may lose that loving feeling after tying the knot

A new Northwestern University study finds that relationship satisfaction after marriage depends on a partner's ability to fulfill responsibilities and commitments. The research reveals that dating couples prioritize partner support for personal growth, while married couples value it for maintaining their partnership. This insight could...

Meta Quest 3 512GB

Meta Quest 3 512GB enables immersive mission planning, terrain rehearsal, and interactive STEM demos with high-resolution mixed-reality experiences.

Benefit of grapes may be more than skin deep

A University of Michigan study found that grapes lowered blood pressure and reduced signs of heart damage by altering cellular activity. The researchers suggest that the phytochemicals in grapes turned on protective genes that reduce damage to the heart muscle.

Early-bird commenters well-positioned to frame public policy

A new study finds that public commenters who participate early in the regulatory policymaking process can significantly influence the direction of regulatory proposals. These 'public' participants, often interest groups, can help shape the content of regulations and may thwart unwanted policies.

Alarming increase in drug-affected newborns

A new Australian study reveals a significant rise in neonatal withdrawal syndrome among newborns, with 906 cases diagnosed between 1980 and 2005. The research highlights the need for early identification and intervention to prevent abuse and neglect.

LSUHSC public health researcher finds reason for weight gain

A study by LSUHSC public health researcher Liwei Chen found that reducing liquid calorie intake, especially from sugar-sweetened beverages, is significantly associated with weight loss. The study's findings suggest that policy recommendations and public health efforts to reduce liquid calorie intake can help combat obesity.

Olympus advances technology for laparo-endoscopic single-site surgery

The Olympus platform enables surgeons to perform gallbladder removal, hernia repair, appendectomy, and urological or gynecological surgery through a single incision in the belly button. The TriPort access system and EndoEYE technology provide high-quality images and flexibility for minimal trauma.

Creality K1 Max 3D Printer

Creality K1 Max 3D Printer rapidly prototypes brackets, adapters, and fixtures for instruments and classroom demonstrations at large build volume.

Telescope upgrade turns data stream into a torrent

The Compact Array Broadband Backend (CABB) project has upgraded CSIRO's radio telescope near Narrabri in NSW, increasing its bandwidth from 128 MHz to 2 GHz. This upgrade enables astronomers to capture more data from the sky faster and detect cosmic objects more quickly.

Antibody gives cancer the recognition it deserves

Researchers have developed an engineered antibody called DTA-1 that helps the immune system overcome its natural reluctance to attack tumor cells. In a mouse model of melanoma, DTA-1 led to rejection of 50-60% of tumors by impairing regulatory T cells, providing new hope for improved cancer treatment options.

Genetics can mediate vulnerability to alcohol's effects during pregnancy

A mouse study found that genetics play a role in susceptibility and resistance to prenatal alcohol exposure, with some strains showing teratogenic effects while others resisted, suggesting genetic influence. The study also highlights the importance of considering genetic factors in human FASD research.

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.

California high school exit exam gets a failing grade in Stanford study

A Stanford study found that California's high school exit exam has failed to meet its primary goal of improving student achievement, particularly among low-achieving minority and girls students. The exam was not a fair assessment of their basic skill levels due to stereotype threat, which prevents them from performing well on the test.

Eating fatty fish once a week reduces men's risk of heart failure

A study of 39,367 Swedish men found that eating fatty fish once a week reduced the risk of heart failure by 12%, while consuming more than three servings per week did not show a significant difference. Omega-3 fatty acids in fish oils were also linked to a 33% lower risk of heart failure.

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.

New hope for advances in treating malaria

Researchers at the University of Leeds have developed chemicals that kill the deadliest malaria-causing parasite, Plasmodium falciparum, and those resistant to existing drugs. These compounds work by preventing an enzyme essential to the parasite's growth, resulting in its death.

New study shows chewing gum can lead to better academic performance in teenagers

A new study by Baylor College of Medicine found that students who chewed sugar-free gum showed an increase in standardized math test scores and final grades compared to those who didn't chew gum. Chewing gum was associated with a three percent increase in standardized math test scores, a small but statistically significant change.