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Science News Archive 2006


Page 111 of 178

Water shortages in Northeast linked to human activity

A recent study found that factors such as development, population growth, and failing water supply systems contribute significantly to water emergencies in Rockland County, N.Y. The researchers' findings suggest that the balance between water demand and supply is becoming increasingly fragile due to human activities.

Tobacco smoke linked to allergic rhinitis in infants

Infants exposed to 20 or more cigarettes a day are three times more likely to develop allergic rhinitis by their first birthday. Environmental tobacco smoke puts harmful particulates in the air that can lead to serious allergic conditions like asthma.

SAMSUNG T9 Portable SSD 2TB

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The brain's executive is an 'event planner'

Researchers discovered that neurons in the lateral prefrontal cortex process information for future events to generate action plans, enabling monkeys to plan complex behaviors. The study provides new insights into the central function of behavioral planning in this higher brain region.

Toddlers learn better through interactive video

Researchers found that toddlers prefer learning from videos with two-way interaction and social cues, such as eye contact. The study suggests using interactive video in educational television for young children, providing a more engaging and effective learning experience.

Ancient tomb sheds new light on Egyptian colonialism

A recent study reveals that both Egyptian and Nubian officials participated in the administration of Nubia during this time. The findings challenge traditional ideas of unidirectional change and modification of a subordinate population by a socially dominant group.

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.

An injury that heals

A study found that biopsy procedures doubled a woman's chances of becoming pregnant during the next round of IVF. The researchers suggest that mild distress from the procedure may provoke a response making conditions in the uterus favorable for implantation.

One in 50 teenagers still wet the bed

A study of over 16,500 children aged 5-19 found that 1 in 50 teenagers still experience bedwetting. The researchers found that children with severe bedwetting problems are more likely to continue experiencing problems into adulthood. Mild bedwetting is more common among younger children, but severe problems increase with age.

Trio of Neptunes and their belt

Three tiny companions orbiting HD 69830 have been discovered by astronomers using the ESO's HARPS instrument. The newly found planets have minimum masses between 10 and 18 times the mass of Earth, with one located in the habitable zone.

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.

Dolphins at risk

A recent surge in dolphin deaths off the Zanzibar archipelago has sparked debate about pollution, underwater noise, and the impact of offshore industries. Dr. Jonathan David calls for mitigation measures to protect dolphin populations and suggests innovative solutions to minimize harm.

Bedsores and bald hides: Novel roles revealed for a 'scaffolding' protein

A study published in Nature sheds light on how the body repairs wounds, revealing that a 'scaffolding' protein plays a crucial role in signaling proteins that lead to new protein manufacture and cell growth. Additionally, research in Genes and Development reveals a novel role for this protein in promoting hair follicle growth.

In the loop: Scientists reveal how signals travel through rat's whiskers

Researchers discovered that signals from rat whiskers travel through distinct regions in the thalamus along separate pathways for movement, touch, and complex signals. These pathways function within parallel feedback loops, enabling the brain to implement new behaviors by building on lower-level sensory inputs.

Holes in heart not a common cause of stroke in general population, study finds

A new study from the Mayo Clinic contradicts previous research suggesting a link between patent foramen ovale (PFO) and stroke risk. The study found that traditional cardiovascular risk factors are more important than PFOs in causing cryptogenic strokes in older adults, while younger patients may have a higher risk associated with PFOs.

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Seismologists detect a sunken slab of ocean floor deep in the Earth

Scientists have discovered a subducted slab of oceanic lithosphere at the base of the Earth's mantle, providing direct evidence for its presence. The finding reveals new insights into the processes driving tectonic plate movement, suggesting that ancient seafloor can sink to the bottom of the mantle.

Apple iPhone 17 Pro

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

Bush's response to 9/11 mirrors Wilson era

The article examines how George W. Bush's response to 9/11 mirrored the diplomatic approach of President Woodrow Wilson during his era. The author, Lloyd E. Ambrosius, draws parallels between the two leaders' strategies, highlighting similarities in their use of international organizations and multilateral cooperation.

Slab of sunken ocean floor found deep within Earth

A team of seismologists detected a slab of sunken ocean floor at the Earth's core-mantle boundary, shedding light on mechanisms that give rise to volcanoes and earthquakes. The discovery suggests whole mantle circulation and provides new insights into the movement of tectonic plates.

Targeting lung cancer

Researchers engineered mice with mutated EGFR genes that can be turned on or off to study lung tumorigenesis and treatment responses. Mutations in EGFR drive lung tumors into regression by inhibiting the gene or turning it off.

Healthy human immune system cells can respond to HIV-1

Researchers identified 37 HIV-1 protein fragments that triggered an immune response in cytotoxic T lymphocytes. Healthy donors responded with large quantities of interferon gamma, while infected patients showed only a small proportion of cells mounting an adequate response.

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.

How do children learn about science and God?

A literature review reveals children learn about objective nonobservables like germs through matter-of-fact discussions. They also contribute to their understanding and appear more confident in scientific subjects than spiritual ones.

UC Davis researchers reveal apples' protective ways

UC Davis researchers found that apple extract protects cells from damage and death by interfering with cellular communication. The study reveals a molecular mechanism for the antioxidant effects of flavonoids in apples, distinct from other fruits like grapes.

Fabled equatorial icecaps to disappear

The Rwenzori Mountains, home to one of four remaining tropical ice fields outside the Andes, are experiencing substantial reduction in glacial cover due to increasing air temperature over the last four decades. Glaciers are receding tens of meters each year, with less than one square kilometer of glacier ice remaining.

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.

Rep. Sherwood Boehlert to receive award from AIBS

Congressman Boehlert will receive the award for his strong advocacy of science and funding for agencies like the National Science Foundation. The presentation will take place at the AIBS Annual Meeting on May 24, addressing biodiversity and policy.

Is brain size linked to two common gene variants?

A recent UCLA study found no association between the MCPH1 and ASPM gene variants and differences in brain size. The researchers used MRI scans to measure brain size in 120 healthy individuals and identified those with these genetic variations, but their findings suggest caution when interpreting evolutionary advantages of these variants.

Wal-Mart equals higher poverty rates

A recent study published in Social Science Quarterly reveals a link between Wal-Mart's expansion and increased poverty rates in local communities. The authors found that the arrival of large retail chains like Wal-Mart leads to the displacement of small businesses, resulting in reduced local leadership capacity.

Meta Quest 3 512GB

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Brain study yields insight into machinery of prejudice

Researchers found that the ventral mPFC region is more engaged when considering people like oneself, while the dorsal region is more active for dissimilar individuals. The study suggests that focusing on shared similarity between groups can help reduce prejudice.

Broccoli, cauliflower and genetic cancer

A study published in Carcinogenesis reveals that sulforaphane, a compound in broccoli and cauliflower, can inhibit the development of hereditary colon cancer by inducing apoptosis and inhibiting tumor proliferation. The researchers found that mice fed with an SFN-supplemented diet developed significantly fewer and smaller tumors.

Human and chimp genomes reveal new twist on origin of species

The study found that the two species split no more than 6.3 million years ago and probably less than 5.4 million years ago, suggesting an initial split followed by later hybridization before a final separation. Genome analysis revealed big surprises, with major implications for human evolution.

Long airplane flight does not appear to increase risk of blood clots

A study by William D. Toff and colleagues found no significant difference in markers of coagulation activation between long-haul flights and controlled environments. The researchers tested the effects of hypobaric and hypoxia on healthy volunteers, but found that prolonged sitting did not enhance clot formation.

No link between low air-pressure on long-haul flights and DVT says new study

A new study conducted by researchers at the University of Leicester found no evidence that low air pressure and low oxygen levels during long-haul flights increase the risk of blood clots. The study, which included 73 healthy volunteers, assessed the effects of hypobaric and hypoxia on markers of blood clotting.

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.

New name, enduring mission

The Association for Psychological Science has changed its name from American Psychological Society to better clarify its scientific mission. The new name emphasizes the organization's commitment to psychological science and human welfare, as well as its growing international presence.

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.

Chimpanzee study reveals genome variation hotspots

A recent study has identified copy number variants in chimpanzees that are comparable to those found in humans, indicating regions of the genome may be inherently unstable in both species. This research provides valuable insights into genetic diversity and adaptations in our nearest relatives.

New study reveals signaling pathways required for expansion of pancreas stem cells

A new study discovered that BMP4 signaling is necessary and sufficient for the proliferation of pancreas progenitor cells, leading to an increase in Id expression. The researchers also found that inhibition of BMP4 results in a decrease in proliferating duct cells and an increase in the expression of a bHLH protein-dependent factor PAX6.

Promising cell protein may play role in infection and dry eye

Researchers discover interaction between PAI-2 and Rb family proteins, linked to cell differentiation, cancer prognosis, and inflammation on the surface of the eye. The study may provide new insights into molecular mechanisms of PAI-2 expression in human corneal and conjunctival epithelial cells.

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.

Small molecule interactions were central to the origin of life

Shapiro's theory suggests that small molecule interactions were central to the origin of life, rather than self-replication. He introduces the concept of a 'driver' reaction linked to a free energy source to convert an unorganized mixture into a self-regulated metabolic network.

Coral reef reveals history of fickle weather in the central Pacific

The study reveals that during periods of warm weather globally, the Pacific was cold and dry. Conversely, during cold weather elsewhere, the Pacific experienced warm and stormy conditions. This ancient climate data informs modern concerns about climate change in the Pacific region.

And the mountain moved: Scientists study how Heart Mountain shifted

Researchers used a mathematical model to explain the shifting of Heart Mountain. The dikes in the rock filled with hot lava created extreme fluid pressures, leading to the mountain's movement. Dr. Einat Aharonov and Dr. Mark Anders' study offers new insights into this phenomenon.

Women's career choices influenced more by culture than biology

A study of 167 women in IT across four countries reveals that cultural factors, such as societal messages and family dynamics, play a significant role in shaping career choices. The research suggests that recognizing diversity may lead to more opportunities for women, and challenges traditional assumptions about work-life balance.

Exxon Valdez oil found in tidal feeding grounds of ducks, sea otters

A recent study by researchers at the National Marine Fisheries Service has found significant amounts of Exxon Valdez oil buried in sand and silt in tidal feeding grounds of sea otters, ducks, and other wildlife. This discovery highlights the potential long-term impact of oil spills on marine ecosystems.

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.

Intimate partner violence found widespread

A study by Group Health researchers found that intimate partner violence (IPV) affects nearly half of women, with recent IPV having a particularly devastating impact on their physical and mental health. The study also revealed that IPV is an equal-opportunity problem, affecting women from all walks of life.