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Science News Archive August 2015


Page 21 of 32

Octopus genome reveals cephalopod secrets

The octopus genome contains widespread rearrangements of genes and a dramatic expansion of genes involved in neuronal development. The research also found novel genes that may be responsible for the creature's unique camouflage abilities.

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.

New life of old molecules: Calcium carbide

A team of scientists has discovered a method to produce valuable organic molecules from calcium carbide, a previously overlooked small molecule. The process eliminates the need for acetylene gas, a hazardous substance, and offers a safer, more sustainable alternative.

Color changing sand fleas flummox predatory birds

Sand fleas change color to match their surroundings, a remarkable adaptation to evade shorebirds and crabs. The research used cutting-edge camera technology to simulate the view of predatory birds, showing that individual animals can tune their camouflage.

NASA sees heavy rain in Hurricane Hilda, south of Hawaii

NASA satellite data revealed towering thunderstorms in Hurricane Hilda dropping heavy rainfall, with storms north of the eye releasing over 5.9 inches of rain per hour. The storm's cloud tops reached altitudes of over 10 miles, indicating powerful weather conditions.

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.

Pancreas cancer spread from multiple types of wayward cells

A new study by the University of Pennsylvania School of Medicine has found that tumor cells associated with pancreatic cancer often behave like communities, working together to increase tumor spread and growth. The research suggests that interactions between subpopulations of tumor cell types contribute to metastatic progression.

South American example illustrates Rocky Mountain formation

Researchers used seismometers to study Peruvian flat slab subduction, revealing its structure and evolution over time. The team found the angle of subduction is shallowest near the Nazca Ridge, where the plate sinks 90 km down before flattening out.

Toxoplasma parasite's greedy appetite may be its downfall

The Toxoplasma parasite's ability to infect and grow within various cell types is attributed to its broad culinary tastes. However, this adaptability comes at the cost of energy expenditure. Researchers have identified a critical enzyme, TgFBP2, that plays a crucial role in the parasite's survival.

Evolution peaks on tropical mountain

Research on Mount Kinabalu in Malaysian Borneo found that most endemic species are younger than the mountain itself and have evolved to adapt to cooler conditions. The study revealed two groups of unique species, with some originating from far-away areas and others evolving from local species.

Apple iPhone 17 Pro

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

Octopus shows unique hunting, social and sexual behavior

The larger Pacific striped octopus exhibits unusual hunting tactics, displaying subtle tap-like movements to startle prey. It also displays high levels of sociality, forming groups of up to 40 individuals and engaging in cooperative behaviors such as sharing meals.

Male doctors are more likely to have legal action taken against them

A systematic review and meta-analysis of 32 studies found that male doctors are more likely to have legal action taken against them. The researchers analyzed data from over 4 million cases of medico-legal action and found consistent differences between sexes across various years and study types.

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.

NASA's Webb sunshield gives an 'open wide' for inspection

The sunshield on NASA's James Webb Space Telescope is the largest part of the observatory, separating a warm sun-facing side from a cold environment to protect sensitive infrared instruments. The precise unfolding of the five-layer sunshield must be accurate within a few centimeters to maintain alignment and operate effectively.

Molecular discovery paves way for new diabetic heart disease treatments

Researchers at the University of Otago discovered that a normal cell process called autophagy is deregulated in diabetic hearts, leading to progressive loss of cardiac cells and cardiac dysfunction. Targeting the Beclin-1 protein presents an promising avenue for new treatments of diabetes-related cardiac disease.

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.

Do Legos, standardized testing, and Googling hamper creativity?

A study by C. Page Moreau and Marit Gundersen Engeset found that adults' creativity suffers when given well-defined problems to solve, such as building with Legos. This can lead to a reliance on routine tasks and decreased performance on subsequent creative tasks.

Genetic analysis supports elevating Cape Parrot to new species

A recent study published in PLOS ONE suggests that the Cape Parrot should be classified as a distinct species due to its genetically distinct markers. The research analyzed DNA samples from five Poicephalus species and found that the Cape Parrot shares common ancestry with other subspecies only at around 2 million years ago.

Making the 9-1-1 call for stroke differs by race, sex

A study found that racial and gender differences affect 9-1-1 call use for strokes, with white women being the most likely to use EMS transport. Research analyzed data from nearly 400,000 stroke patients, revealing variations in 9-1-1 usage among different racial and ethnic groups.

Intrahepatic cholestasis of pregnancy linked with liver cancer

A new study published in Journal of Hepatology found that women with intrahepatic cholestasis of pregnancy (ICP) are at a higher risk of hepatobiliary cancer and immune-mediated diseases later in life. ICP affects nearly 0.4-1.5% of pregnancies and is characterized by itching, elevated serum bile acids, and/or liver enzymes.

Nicotine-eating bacteria could one day help smokers kick the habit

Researchers have identified a bacterial enzyme called NicA2 that breaks down nicotine in blood samples within 30 minutes. The enzyme also remained stable for several days and showed no observable side effects in mice, suggesting its potential as a new approach to help smokers quit.

Fluke 87V Industrial Digital Multimeter

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

Science-backed brain game eases distraction, anxiety

Researchers at Michigan State University developed a targeted brain game that helps people focus and reduces anxiety. The study found that anxious college students who completed the game task showed improved concentration and lessened anxiety after being distracted.

Flexible, biodegradable device can generate power from touch (video)

Scientists have developed a biodegradable nanogenerator made with DNA that can capture and convert everyday motion into electrical power. The flexible device has been successfully tested, lighting up multiple LEDs with gentle tapping, and offers a promising solution for reducing e-waste and increasing portable electronics' battery life.

Paying off small debts first may get you in the black quicker

A new study from the American Marketing Association suggests that paying off small debts first can provide a significant motivation boost, leading to faster completion of even the most burdensome tasks. By focusing on smaller victories, individuals may be able to overcome procrastination and tackle larger goals with renewed energy.

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.

GSA pleased to be a founding member of Plant Science Research Network

The Genetics Society of America is a founding member of the Plant Science Research Network, which aims to unite the plant science community and promote collaborative research. The network will support new collaborations, foster data exchange standards, and prepare graduate students for diverse careers.

Seller beware: International transactions require much more than a contract

A new study suggests that well-specified contracts are effective in reducing violations on the part of the buyer only if they are from highly globalized countries or have low-risk business environments. Contract monitoring can help mitigate negative influences of contract violation on relationship performance.

Can stem cells cause and cure cancer?

A recent study by Fen Wang and Wallace McKeehan reveals that errors in FGF transmission can activate dormant stem cells, leading to cancer. The research supports the existing theory that cancer is a stem cell disease and holds promise for future cancer therapies.

Wild boars are gaining ground

The wild boar population in Europe has been constantly growing since the 1980s, primarily driven by climate change. Mild winters lead to a sharp increase in population growth, as thermoregulation becomes less of an issue, allowing for more energy available for reproduction and offspring survival.

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.

Decoding the genome of an alien

Researchers from OIST, University of Chicago, and UC Berkeley sequence and analyze the first cephalopod genome, unlocking secrets of octopus's intelligent behavior and extraordinary features. The study sheds light on the evolution of cephalopods and their brain development, potentially inspiring robots that can explore the ocean floor.

Better estimates of worldwide mercury pollution

A new study provides more accurate estimates of worldwide mercury pollution, revealing Asia produces over double the previous estimated amount. The research uses a top-down approach combining measured air concentrations with a global simulation to calculate mercury emissions, improving estimates and refining pollution-control strategies.

Pelvic pain may be common among reproductive-age women, NIH study finds

Researchers found that nearly 30% of reproductive-age women experienced chronic or cyclic pelvic pain, with endometriosis women reporting higher levels of pain. Physicians may want to ask patients about pain during routine visits, and women should inform their doctors about any pain they're experiencing.

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.

Quantum computing advance locates neutral atoms

Researchers at Penn State have developed a method for addressing individual neutral atoms using laser light, enabling the creation of quantum computers. The technique allows for precise control over qubits and enables quantum computing applications such as factoring large numbers used in secure codes.

Photoredox catalyst unlocks new pathways for nickel chemistry

Researchers have discovered a new pathway to construct carbon-oxygen bonds using a light-activated catalyst, expanding nickel chemistry's potential impact on pharmaceuticals and agriculture. The breakthrough overcomes previous challenges with traditional nickel catalysis.

Predicting risk for deadly cardiac events

Researchers found nearly 40% of type 2 diabetes patients with stable heart disease had abnormal troponin levels, indicating ongoing heart injury. Coronary revascularization did not lower troponin levels or reduce risk in these patients.

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.

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.

Helping injured children walk, 1 step at a time

Researchers are developing child-sized exoskeletons that will be customized and designed to grow as the child grows, helping them walk independently. The devices aim to ease conditions such as skeletal deformities caused by immobile bodies, while also being fun and interactive for children.

Concern over claims about how technology affects young brains

Despite claims by Susan Greenfield that intense internet use harms adolescent brains, experts warn that there is currently no evidence to support these claims. Research suggests that social networking sites can enhance friendships and relationships, while computer games do not lead to impulsiveness or aggression.

Antidepressant drug trials criteria not generalizable

Most antidepressant efficacy studies (AETs) now exclude a significant proportion of depressed patients, including those with comorbid psychiatric disorders and low rating scale scores. This trend suggests that AETs may be even less generalizable than previously thought, limiting their applicability to real-world populations.

Computer scientists find mass extinctions can accelerate evolution

A team of computer scientists found that mass extinctions can speed up evolution in robots, leading to more efficient and creative problem-solving. The study, published in PLOS ONE, used simulations to demonstrate how extinction events promote the emergence of novel features and abilities.

Celestron NexStar 8SE Computerized Telescope

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

Adult IQ of very premature babies can be predicted by the age of 2

A recent study published in Pediatrics found that adult IQ of very premature babies can be predicted when they are just two years old. The research team led by Professor Dieter Wolke assessed 200 children born with low birth weight or very premature birth and compared their cognitive function to a control group of full-term babies.

Brain plasticity after vision loss has an 'on-off switch'

Researchers at KU Leuven found a molecular switch that controls how the brain compensates for vision loss, with implications for sensory prosthetics and patient recovery. In adult mice, this cross-modal neuroplasticity is triggered by both eyes and whiskers, but in adolescents, only one eye takes over.

Scientists uncover a difference between the sexes

A study by Northwestern University researchers found an intrinsic biological difference in the molecular regulation of synapses in the hippocampus between males and females. The drug URB-597 increased inhibitory effect in females, causing a decrease in neurotransmitter release, but had no effect in males.

DNA/RNA heteroduplex oligonucleotide: The third class oligonucleotides

Researchers at Tokyo Medical and Dental University developed a novel DNA/RNA heteroduplex oligonucleotide (HDO) that significantly improves gene silencing and reduces liver dysfunction. The high potency of vitamin E-conjugated HDO results in improved delivery to the liver, leading to enhanced therapeutic effects.

Rigol DP832 Triple-Output Bench Power Supply

Rigol DP832 Triple-Output Bench Power Supply powers sensors, microcontrollers, and test circuits with programmable rails and stable outputs.

NSF invests in interstate collaboration in science and engineering research

The NSF's EPSCoR program has made eight awards, totaling $42 million, aimed at fostering research collaborations among investigators and institutions across 12 states. The projects focus on developing innovative tools for brain imaging, decoding, and modulation, as well as exploring sustainable energy and water management technologies.

How lipids are flipped

Researchers from ETH Zurich have determined the structure of a flippase, PglK, that flips lipid-linked oligosaccharides, revealing a novel mechanism. The discovery sheds light on fundamental biological processes and may lead to therapeutic approaches for diseases associated with glycosylation disorders.