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How stress can curb the desire to eat in an animal model Posted: 16 Aug 2019 04:14 PM PDT Eating disorder researchers have discovered a neurocircuit in mice that, when activated, increased their stress levels while decreasing their desire to eat. |
Humans migrated to Mongolia much earlier than previously believed Posted: 16 Aug 2019 04:14 PM PDT Stone tools uncovered in Mongolia by an international team of archaeologists indicate that modern humans traveled across the Eurasian steppe about 45,000 years ago. |
Nylon as a building block for transparent electronic devices? Posted: 16 Aug 2019 04:14 PM PDT Scientists have solved a four decade long challenge of producing very thin nylon films that can be used for instance in electronic memory components. The thin nylon films are several 100 times thinner than human hair and could thus be attractive for applications in bendable electronic devices or for electronics in clothing. |
Physiological mechanisms leading to enterovirus opening revealed Posted: 16 Aug 2019 04:14 PM PDT Enteroviruses are one of the most common human pathogens leading to high number of acute and chronic infections worldwide. The physiological events leading to successful enterovirus infection are still poorly understood. Researchers have found significant new information concerning the role of Albumin and ions in host cell vesicles that promote genome release and efficient infection. |
Discovery of anti-opioid pathway offers new route to designing safer pain medications Posted: 16 Aug 2019 04:14 PM PDT A team has discovered a biological system that manages cells' response to opioid drug exposure. The unexpected discovery offers new ideas for improving the safety of the one of the most effective, and most abused, group of pain medications. |
From the tiny testes of flies, new insight into how genes arise Posted: 16 Aug 2019 04:14 PM PDT A common birthplace of new genes, the male testes are a hotspot for biological innovation. Within these organs, scientists have found a trove of virgin genetic sequences -- and a better understanding of how evolution moves forward. |
Children with mild asthma can use inhalers as needed, study suggests Posted: 16 Aug 2019 04:14 PM PDT A new study supports evidence that children with mild asthma can effectively manage the condition by using their two inhalers -- one a steroid and the other a bronchodilator -- when symptoms occur. This is in contrast to the traditional method of using the steroid daily, regardless of symptoms, and the bronchodilator when symptoms occur. The as-needed use of both inhalers is just as effective for mild asthma as the traditional protocol, according to the investigators. |
Researchers refine guidelines for pediatric brain injuries Posted: 16 Aug 2019 04:14 PM PDT There are no guidelines on whether a noninvasive method of measuring carbon dioxide from patients' exhalations, known as end-tidal capnography, is as effective as drawing blood through a child's artery. This study found that measuring the carbon dioxide level through an artery is still the most accurate diagnostic for pediatric brain trauma. |
A novel cellular process to engulf nano-sized materials Posted: 16 Aug 2019 09:32 AM PDT Researchers have discovered a cellular process that allows nanomaterial entry into cells. |
Cannabis-related poison control calls for Massachusetts kids doubled after medical pot legalized Posted: 16 Aug 2019 09:32 AM PDT After medical marijuana became legal in Massachusetts, cannabis-related poison control calls involving the commonwealth's children and teenagers doubled, according to a public health investigation. |
Neuronal mechanism that is central to human free recall identified Posted: 16 Aug 2019 07:59 AM PDT Recently Weizmann Institute scientists succeeded in recording these rapid bursts of activity -- called 'hippocampal ripples' -- in the human brain, and they were able to demonstrate their importance as a neuronal mechanism underlying the engraving of new memories and their subsequent recall. |
Researcher decodes the brain to help patients with mental illnesses Posted: 16 Aug 2019 07:59 AM PDT Approximately 1 in 5 adults in the United States experience mental illness in a given year. Severe mental illnesses cause the brain to have trouble dealing with cognitively effortful states, like focusing attention over long periods of time, discriminating between two things that are difficult to tell apart, and responding quickly to information that is coming in fast. |
Researchers demonstrate three-dimensional quantum hall effect for the first time Posted: 16 Aug 2019 07:10 AM PDT The quantum Hall effect (QHE), which was previously known for two-dimensional (2D) systems, was predicted to be possible for three-dimensional (3D) systems by Bertrand Halperin in 1987: Now it has been demonstrated. |
Tiny GPS backpacks uncover the secret life of desert bats Posted: 16 Aug 2019 07:10 AM PDT A new study using miniaturized satellite-based tags revealed that during drier periods desert bats must fly further and longer to fulfill their nightly needs. According to researchers this signals their struggle in facing dry periods. |
How E. coli knows how to cause the worst possible infection Posted: 16 Aug 2019 07:10 AM PDT The discovery could one day let doctors prevent the infection by allowing E. coli to pass harmlessly through the body. |
Organic dye in zinc oxide interlayer stabilizes and boosts the performance of organic solar cells Posted: 16 Aug 2019 07:10 AM PDT Organic solar cells are made of cheap and abundant materials, but their efficiency and stability still lag behind those of silicon-based solar cells. A team of scientists has found a way to enhance the electric conductivity of organic solar cells, which increases their performances. Doping the metal oxide interlayer, which connected the electrode and active layer, with a modified organic dye boosted both the efficiency and stability, the study revealed. |
Best of both worlds: Asteroids and massive mergers Posted: 16 Aug 2019 06:24 AM PDT Researchers are using the Catalina Sky Survey's near-Earth object telescopes to locate the optical counterparts to gravitational waves triggered by massive mergers. |
Wireless sensors that stick to the skin to track our health Posted: 16 Aug 2019 06:24 AM PDT Engineers have developed experimental stickers that pick up physiological signals emanating from the skin, then wirelessly beam these health readings to a receiver clipped onto clothing. It's all part of a system called BodyNet. |
Numbers count in the genetics of moles and melanomas Posted: 16 Aug 2019 06:24 AM PDT Scientists have identified a way to help dermatologists determine a patient's risk of developing melanoma. |
'Invisible ink' on antique Nile papyrus revealed by multiple methods Posted: 16 Aug 2019 06:24 AM PDT Researchers studied a small piece of papyrus that was excavated on the island of Elephantine on the River Nile a little over 100 years ago. The team used serval methods including non-destructive techniques at BESSY II. |
Care of horses: Damage found in the bit area of most Finnish trotters Posted: 16 Aug 2019 06:02 AM PDT Damage was found in the part of the mouth affected by the bit in more than 80% of trotters examined after a race. However, such damage is easily overlooked due to being out of sight. |
Gene regulation behind the choice of the correct receptor for olfaction Posted: 16 Aug 2019 06:02 AM PDT Scientists have uncovered the genetics behind two distinct types of olfactory sensory neurons; the so called 'class I olfactory neurons' that has persisted from aquatic to terrestrial animals and the 'class II olfactory neurons' that only terrestrial animals possess. |
Discovery of a bottleneck relief in photosynthesis may have a major impact on food crops Posted: 16 Aug 2019 04:55 AM PDT Scientists have found how to relieve a bottleneck in the process by which plants transform sunlight into food, which may lead to an increase in crop production. They discovered that producing more of a protein that controls the rate in which electrons flow during photosynthesis, accelerates the whole process. |
Could biological clocks in plants set the time for crop spraying? Posted: 16 Aug 2019 04:55 AM PDT Plants can tell the time, and this affects their responses to certain herbicides used in agriculture according to new research. The study found that plant circadian rhythms regulate the sensitivity of plants to a widely used herbicide according to the time of day. The findings could benefit agriculture by reducing crop loss and improving harvests. |
New insight into bacterial infections found in the noses of healthy cattle Posted: 16 Aug 2019 04:55 AM PDT New research used the 'One Health' approach to study three bacterial species in the noses of young cattle and found the carriage of the bacteria was surprisingly different. The findings which combined ideas and methods from both animal and human health research could help prevent and control respiratory diseases. |
Oil and water: better monitoring needed to secure vital groundwater supplies, researchers say Posted: 15 Aug 2019 03:06 PM PDT When it comes to groundwater quality, fracking receives much of the public attention but misses most of the picture, according to a new study by hydrogeologists. |
Relaxing of regulations for regenerative medicines has cascading effect internationally Posted: 15 Aug 2019 11:08 AM PDT Countries that relax regulations for regenerative medicines, like stem cell 'treatments', could be causing a downward spiral in international standards. |
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