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Science News Archive 2013


Page 23 of 352

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.

Industrial age helps some coastal regions capture carbon dioxide

Researchers estimate that coastal areas absorb approximately 250 million metric tons of carbon each year, compared to a century ago when they released about 150 million metric tons. This shift suggests that coastal oceans play a crucial role in the global carbon cycle and can help counteract climate change.

Multiple mates worth the risk for female prairie dogs

A study published in The Journal of Mammalogy found that female prairie dogs who mate with two or more males rear more offspring than those that mate with only one male. The research, led by John Hoogland, suggests that the benefits of polyandry outweigh the costs for most species of prairie dogs.

Investigating the link between Parkinson's and pesticides

Researchers explore the connection between pesticides and Parkinson's disease, discovering two genetic mutations linked to increased risk in pesticide-exposed individuals. The study highlights the complexity of the disease and the need for further investigation into pesticide exposure and its potential effects on human health.

Glimpsing the infrastructure of a gamma-ray burst jet

Astronomers have glimpsed the infrastructure of a gamma-ray burst jet using observations from the Liverpool Telescope's RINGO2 instrument. The study reveals that light from the reverse shock wave, which drives back into the jet debris, shows strong and stable polarized emissions.

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.

LADEE instruments healthy and ready for science

The Lunar Atmosphere and Dust Environment Explorer (LADEE) has completed its commissioning phase, with all three science instruments deemed healthy. The LADEE spacecraft is now in a high-altitude preliminary orbit, preparing for its 100-day science mission to gather information about the moon's structure and composition.

How our nerves keep firing

Researchers discovered ultrafast recycling of synaptic vesicles in nerve cells, allowing for rapid signal transmission and potentially protecting against neurodegenerative diseases. This process enables the brain and muscles to function continuously without interruption.

Explosive growth of young star

A young star formed in the Milky Way galaxy underwent an explosive growth, becoming 100 times brighter than its current state within the past 100-1,000 years. This sudden increase was caused by a chemical reaction that enabled the formation of complex molecules like methanol.

Quieting rail transit

Researchers found that new vibration absorbers can reduce wheel squeal in public rail systems, but had a modest impact on rolling noise. The devices attach to the wheels or tracks of rail transit systems and may be effective in reducing wheel squeal, but more testing is needed to fully understand their effectiveness.

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.

Predicting ovarian cancer survival through tumor-attacking immune cells

Scientists at Fred Hutchinson Cancer Center developed a method to count tumor-infiltrating T lymphocytes reliably and quickly, which correlates with improved survival rates. The technology has the potential to predict treatment response, cancer recurrence, and disease-free survival earlier and more effectively.

Toll-like receptor 4-mediated apoptosis of hippocampal neurons

Researchers found TLR4 signaling increases apoptotic ratio in hippocampal neurons stimulated by lipopolysaccharide. Inhibiting AKT and GSK-3β pathways decreases active Caspase-3 and Bax/Bcl-2 ratios, suggesting a new target for neurodegenerative disease treatment.

What a Formula 1 race does to your eardrums

Researchers measured sound levels at a Formula 1 track and found that without protection, spectators could reach 234% or 85.85 dB of their daily allowed noise dosage going by Occupational Safety and Health Administration (OSHA) standards. The study suggests wearing good hearing protection is essential to avoid permanent damage.

Storing carbon in the Arctic

Researchers at MIT found that the Arctic Ocean is becoming a more efficient carbon sink due to increased biological growth in summer months. However, some regions, such as the Barents Sea, become carbon sources, emitting carbon dioxide into the atmosphere.

An important discovery related to anxiety disorders and trauma

A team of Montréal researchers discovered that the protein PC7 plays a critical role in the brain by affecting cognitive performance such as anxiety, learning, and emotional memory. The study found that mice lacking PC7 had impaired episodic and emotional memories, while exhibiting increased levels of dopamine in the brain.

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.

Multi-dog study points to canine brain's reward center

Researchers at Emory University have confirmed their methods and results by replicating a previous study involving 13 dogs. The experiment showed that most dogs exhibited a positive response in the caudate region when given a hand signal indicating a treat, suggesting similarities with human brain function.

Mysteries of Earth's radiation belts uncovered by NASA twin spacecraft

The Van Allen Probes mission reveals that high-energy particles in Earth's radiation belts can be accelerated to nearly the speed of light by ultra-low frequency electromagnetic waves. Scientists hope to use this discovery to better predict space weather conditions and protect orbiting satellites.

Structure of key pain-related protein unveiled

Researchers have determined the structure of TRPV1, a protein that plays a central role in pain perception and heat sensation, at near-atomic resolution using electron cryo-microscopy. This breakthrough offers fresh insights to drug designers searching for new pain treatments and sheds light on the protein's unique properties.

Apple iPhone 17 Pro

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

A blast from its past dates the youngest neutron-star binary

Astronomers have discovered the youngest known neutron-star binary, Circinus X-1, which is approximately 4,600 years old. The team used data from NASA's Chandra X-ray Observatory to determine the age of this record-breaking pair, revealing a unique opportunity to study matter under extreme conditions.

Silkworms spin colored silks while on a 'green' dyed-leaf diet

Researchers developed a method to feed dyed leaves to silkworms, producing colored silk fibers without harsh chemicals. The study successfully incorporated azo dyes into the caterpillars' silk, paving the way for more environmentally friendly textile production.

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.

Baicalin inhibits neurotoxicity of colistin sulfate effectively

A study by Jiang et al. found that baicalin inhibited colistin sulfate-induced neuronal apoptosis in PC12 cells by suppressing free radical injury, reducing caspase-3 activity and lactate dehydrogenase activity. Cell viability increased, and cell morphology improved.

Coastal sea change

A new analysis published in Nature suggests that the coastal ocean now takes in more carbon dioxide than it releases, potentially impacting global predictions related to climate change. Researchers propose a mechanism for the shift, which could make the coastal ocean a more important carbon sink in the future.

Study reveals impact of time differences on international trade

A study by Dr. Edward Anderson found that time differences have a negative and statistically significant impact on merchandise trade, particularly in goods trade. The research analyzed 55 years' worth of data on exports between 146 countries and found that each hour of time difference reduces international goods trade by between two an...

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.

Tripped tongues teach speech secrets

Researchers analyzed tongue twisters to understand the brain's speech-planning processes. They found that different types of tongue twisters induced distinct speech errors, revealing key differences in brain processing.

MR-guided ultrasound offers noninvasive treatment for breast cancer

Researchers assessed MR-guided focused ultrasound (MRgFUS) in 12 patients with invasive ductal breast cancer. The procedure proved safe and effective, with 10 patients showing no residual disease post-surgery. Continuous MRI monitoring allowed for precise temperature control during the ablation process.

Rising ocean acidification leads to anxiety in fish

A new study reveals that ocean acidification causes anxious behavior in juvenile rockfish, affecting their ability to forage and navigate. The researchers found that the affected fish preferred dark areas and showed altered behavior even after being returned to normal seawater.

Mammography screening intervals may affect breast cancer prognosis

A study found that women who had more frequent screening mammography had a significantly lower rate of lymph node positivity, improving patient prognosis. The researchers suggest that following guidelines recommending annual screening beginning at age 40 may benefit breast cancer patients.

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.

Youthful suicide attempts a marker for lifelong troubles

A study of over 1,000 New Zealanders found that those who attempted suicide before age 24 had higher rates of metabolic syndrome, depression, and unemployment later in life. These individuals were also more likely to be hospitalized for psychiatric problems and reported feeling lonely and dissatisfied with life.

Education -- not fertility -- key for economic development

A new study published in Demography reveals that improvements in education levels around the world have been key drivers of economic growth in developing countries. In contrast to previous assumptions, the researchers found that declines in fertility rates do not lead to economic development.

Looks are all important for girls on tween TV

Research on tween television programs found that girls are portrayed as more attractive and concerned about their appearance, while boys are stereotypically depicted as brave in action-adventure genres. This can shape children's self-concepts and conceptions of gender roles.

Study links sleep to mood disturbance and poor quality of life in obese

A study found that 74.8% of obese patients were poor sleepers, with significant associations between sleep quality and mood disturbance, as well as anxiety and depression. The study highlights the importance of screening for sleep problems in individuals with severe obesity to improve quality of life.

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.

IVF improving but fertility treatments keep multiple births high

New research estimates that over a third of twin births and three-quarters of triplets in the US are caused by fertility treatments. Non-IVF fertility treatments have increased to become the leading cause of medically assisted multiple births, while IVF is now often producing twins.

Can iPads help students learn science? Yes

A new study by Smithsonian researchers at Harvard-Smithsonian Center for Astrophysics shows that iPad-based simulations improve student understanding of astronomical scale, compared to traditional classroom instruction. Students grasped the concept more effectively when using iPads to explore 3-D simulations of the universe.

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.

Droplet Digital PCR enables measurement of potential cancer survival biomarker

Researchers at Fred Hutchinson Cancer Research Center used Droplet Digital PCR to quantify tumor-infiltrating T-lymphocytes (TILs), a subpopulation of immune cells that improve cancer survival. Higher TIL levels correlate positively with patient survival, suggesting an active role in suppressing tumor formation. The study paves the way...

The big unknown: Factoring marine sediments into climate calculations

The OCEAN CERTAIN project aims to improve understanding of the biological pump, a process that absorbs carbon dioxide from the atmosphere and stores it in marine sediments. The four-year, $12 million project will investigate the importance of this process in shaping future climate change.

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.

Almost 600 under-16s take up smoking every day in the UK

An estimated 463 children in England start smoking every day, while 55 and 30 do so in Scotland and Wales respectively. Smoking at a young age poses significant health risks, including lung development issues and increased cancer risk.

Turning waste into power with bacteria -- and loofahs

Researchers have successfully paired bacteria with loofahs to create a power-generating microbial fuel cell, outperforming traditional devices. This innovative method uses low-cost, sustainable natural materials to generate clean energy from waste.

10 times more throughput on optic fibers

Researchers at EPFL have discovered a method to fit pulses together within optical fibers, increasing the capacity by up to ten times. This approach reduces the unused empty space for data in the fiber, enabling faster and more reliable data transmission.

Celestron NexStar 8SE Computerized Telescope

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

Communicating at a katydid's jungle cocktail party

A team of scientists found that male katydids can synchronize their chirps in the presence of a masking trill, with the ability to detect low-frequency components. The researchers used tiny hook electrodes to study the neural activity of katydids and discovered that an auditory neuron was involved in detecting these frequency components.

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.

Hubble traces subtle signals of water on hazy worlds

Two teams of scientists used NASA's Hubble Space Telescope to detect faint water signals in the atmospheres of five distant planets. The strengths of their water signatures varied, with some planets having stronger signals than expected.

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.