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Science News Archive 2001


Page 40 of 47

Discovery of follicles offers hope of babies for Turner’s syndrome girls

Scientists have found that teenage girls with Turner's syndrome still possess follicles in their ovaries, which may enable them to produce eggs. This breakthrough discovery provides a glimmer of hope for these women who are usually infertile due to the syndrome. Further research is needed to confirm the findings and explore the possibi...

New study shows smoking lessens chances of IVF success

A recent study published by the European Society of Human Reproduction and Embryology found that women who smoke more than 10 cigarettes a day have a significantly lower chance of IVF success. The implantation rate for non-smokers was 22.7%, compared to 15.1% for women smoking over 10 cigarettes a day.

Apple iPhone 17 Pro

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

Uninsured patients don't manage chronic illness well, UCSF study finds

A UCSF study reveals that uninsured patients with chronic illnesses face significant challenges in managing their conditions, including poor symptom recognition and limited access to medication. This can lead to greater illness severity and premature death. Free community clinics are crucial for addressing these disparities.

Annals of Internal Medicine, Tip Sheet, July 3, 2001

Postmenopausal women taking hormone replacement therapy for less than one year had a 25% increase in risk for recurrent heart disease, while those taking hormones for two years or longer had decreased risk. UTI patients successfully diagnosed and managed their own care with short-term antibiotics.

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.

Brain parses 'movies of our lives' into small meaningful chunks

Researchers found brain areas that track continuous event boundaries, even in passive viewing, suggesting a natural process of segmentation. This study has practical implications for designing better tools for teaching new activities and understanding perception across time.

Polymer coatings stick on optical glass surface

A team of researchers from Penn State has successfully developed a polymer coating that adheres to the surface of optical glass, particularly phosphate glasses. This breakthrough enables new applications for these glasses in fields such as optics and photonics.

Family stress a factor in asthma

A study of 84 Australian children with asthma found that family environment plays a significant role in their experience. Children from stable families with defined roles, rules, and emotional support were less distressed by symptoms.

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.

Discovery of stagnant lithosphere says less mixing occurs in Earth

Scientists investigated subducting lithosphere and deep earthquakes near Fiji, finding a group of deep earthquakes off to the side that cannot be connected to the actively subducting lithosphere. The researchers suggest that similar slabs may exist elsewhere, preserving a significant primordial component of the mantle.

One in four patients has been drinking before arrival at accident and emergency

A study reveals that nearly half of all emergency department visits involve drinking before arrival, with significant correlations to self-harm, assaults, and hospital admissions. The findings suggest a growing trend among women who drink at lower levels than men, contributing to alarming rates of alcohol-related deaths in Scotland.

Testing method misses nearly 14 percent of prostate cancer cases

A new study at Ohio State University found that using an extended sector biopsy technique can detect cancer in 13.5% more men than traditional methods. The additional tissue samples improved the accuracy of prostate cancer diagnoses, particularly for cancers detected inside the gland.

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.

Making cyberspace collaboration succeed

Researchers at University of Michigan and Northwestern University emphasize the importance of social and organizational readiness, technological readiness, rewards and incentives, and finding time in collaboratories. These factors enable effective collaboration and innovation in scientific practice.

Undergrads' invention can help disabled kids enjoy playgrounds

Johns Hopkins undergraduates designed an aluminum lifting device to make playgrounds more accessible to children with limited mobility. The device features a 3-foot-square passenger compartment that can support 500 pounds and is powered by compressed air, providing a safe and efficient solution.

Celestron NexStar 8SE Computerized Telescope

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

Caution urged in research with angiogenesis therapy

Researchers warn that angiogenesis therapy could trigger growth in abnormal tissue, increase artery-clogging plaque, and stimulate inflammatory response. Despite these potential complications, the authors remain hopeful that the therapy will ultimately prove effective and safe.

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.

New transducers may simplify treatment of prostate cancer

Researchers developed a new phased-array transducer system that enables electronic scanning of the prostate, reducing the need for mechanical adjustments. The design uses separate elements and adjusted signal timing to move the focus electronically.

Depression, bone mass, and osteoporosis

A strong association has been found between depression and osteoporosis, with depressed individuals experiencing lower bone mineral density. Research suggests that depression may contribute to hormonal abnormalities leading to bone loss and changes in body composition.

More sexual partners may increase risk of prostate cancer

A recent study published in the American Journal of Epidemiology found a direct positive relationship between lifetime female sexual partners and the risk of prostate cancer in middle-aged men. Men with 30 or more partners had over twice the risk of developing prostate cancer compared to those with fewer partners.

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.

Study gives clues to workings of anti-Alzheimer antibody

Researchers at WashU Medicine discovered an antibody that targets a specific region of the amyloid-beta protein, drawing it out of the brain and into the blood. The study found that mice treated with the antibody developed fewer amyloid plaques in their brains than control animals.

Sky & Telescope Pocket Sky Atlas, 2nd Edition

Sky & Telescope Pocket Sky Atlas, 2nd Edition is a durable star atlas for planning sessions, identifying targets, and teaching celestial navigation.

UK scientists develop 'his-and-hers' fertility test kit

Researchers have developed a new fertility test kit that measures natural levels of fertility in couples trying to conceive. The kit assesses the concentration of motile sperm in men and follicle-stimulating hormone (FSH) levels in women, providing an early warning system for potential infertility issues.

System would harness GPS signals to study environment

A new technique uses GPS signals to collect environmental data, reducing the size and cost of instrumentation. The system is promising for studying ocean-related conditions and global climate change, with potential applications in satellite systems and unmanned aerial vehicles.

Fluke 87V Industrial Digital Multimeter

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

Patient expectations influence success of treatments for low back pain

A study published in Spine found that patients with higher expectations for acupuncture or massage therapy experienced greater improvement in low back pain and function. Those with lower expectations showed only moderate improvement, highlighting the importance of considering patient expectations in treatment decisions.

Short periods of excercise may improve mood

A recent study found that short periods of moderate exercise can improve overall mood, increase vigor, and decrease fatigue. However, further improvement was not seen with longer workout sessions.

Teens' second pregnancy rates lower with long-term contraceptives

A study published in American Journal of Preventive Medicine found that long-term contraceptives, such as Norplant, reduced second pregnancy rates among teens. Among the participants who chose these methods, only 11% became pregnant within a year, compared to 25% of those using oral contraceptives and 38% of those not using birth control.

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.

Emotional support keeps brain going into old age

A study found that emotional support was a significant predictor of better cognitive function in older adults, independent of other risk factors. Unmarried participants showed better cognitive function than married ones, suggesting that the presence of a spouse may have negative effects on cognition due to care burdens.

Northern Vietnam drinking water contains dangerous arsenic levels

Researchers found average arsenic levels in Vietnamese wells exceeding three times the national health standard, with peaks up to 3,000 micrograms per liter. The study highlights a significant risk to over 11 million people living in rural areas, where untreated groundwater is consumed directly as drinking water.

Kestrel 3000 Pocket Weather Meter

Kestrel 3000 Pocket Weather Meter measures wind, temperature, and humidity in real time for site assessments, aviation checks, and safety briefings.

Marijuana-like substances linked to cirrhosis complications

Researchers found elevated levels of endocannabinoid anandamide and CB1 receptors in cirrhotic liver samples, suggesting a novel approach for managing vasodilation and portal hypertension. Elevated levels of anandamide may also reduce blood pressure.

Health threat to travellers from ticks at home and abroad

A study found that tick-borne diseases are a major concern for travelers, with over 100 viruses and bacteria transmitted through ticks. The most serious problem is posed by hard ticks, which can cause mild irritation but also transmit fatal diseases like Lyme disease and tick-borne typhus.

New model for predicting stroke outcome

Researchers developed a predictive model using MRI scans to estimate stroke recovery likelihood based on NIHSS score, time to scan, and ischaemic brain tissue volume. The model was validated in an independent dataset, identifying low, medium, and high recovery levels.

Sony Alpha a7 IV (Body Only)

Sony Alpha a7 IV (Body Only) delivers reliable low-light performance and rugged build for astrophotography, lab documentation, and field expeditions.

Never-before-seen look deep inside cancerous tumors

Scientists at Massachusetts General Hospital have developed a new imaging technique that allows for the visualization of individual cells within living tumors. This technology enables researchers to monitor gene expression, therapy effectiveness, and tumor-cell interactions with normal cells, providing new insights into cancer biology.

American Heart Association honors four volunteers

The American Heart Association has recognized four dedicated volunteers for their outstanding work in advancing the association's objectives. Edward Freis, Patricia Mahoney, Michael Moore, and Robert Roberts were honored for their efforts to reduce high blood pressure and promote heart health research.

GQ GMC-500Plus Geiger Counter

GQ GMC-500Plus Geiger Counter logs beta, gamma, and X-ray levels for environmental monitoring, training labs, and safety demonstrations.

Hint of planet-sized drifters bewilders Hubble scientists

NASA's Hubble Space Telescope has detected unusual microlensing events in the M22 globular cluster, hinting at a new population of wandering, planet-sized objects. These bodies are estimated to have masses as low as 80 times that of Earth, a discovery that could challenge current understanding of celestial mechanics.

E-commerce to cause major shake-up of world transport

Global e-commerce growth is expected to significantly impact the transport industry, leading to a 50-100% increase in intercity freight trips and air travel by 2005. This shift is driven by increasing customer expectations for 'right now' deliveries and the need for more flexible, fragmented, and on-demand transport services.

Identification of genes may tell how plants recognize pollen

Researchers have identified two distinct clusters of genes in the Arabidopsis genome that code for pollen coat proteins. These proteins enable the dry pollen coat to interact with stigma cells during pollination. The discovery provides insights into how plants recognize pollen and could lead to new techniques for crossing plants, preve...