Laden...
ScienceDaily: Top Environment News |
Highlighting social identity and peer group norms can increase water conservation Posted: 21 Mar 2019 05:06 PM PDT New research suggests that targeted use of behavioural 'nudges' can encourage people to conserve water. Researchers found that rather than giving people general information about the importance of saving water, emphasizing the water conserving actions of others in the same social group -- for example university students or local residents -- encourages similar behavior changes and reduces water demand. |
Energy stealthily hitches ride in global trade Posted: 21 Mar 2019 01:36 PM PDT Fulfilling the world's growing energy needs summons images of oil pipelines, electric wires and truckloads of coal. But research shows a lot of energy moves nearly incognito, embedded in the products, and leaves its environmental footprint home. |
Study in mice examines impact of reused cooking oil on breast cancer progression Posted: 21 Mar 2019 12:48 PM PDT Compounds in thermally abused cooking oils may trigger genetic, biochemical changes that hasten the progression of late-stage breast cancer, promoting tumor cells' growth and proliferation. |
Natural plant defense genes provide clues to safener protection in grain sorghum Posted: 21 Mar 2019 12:28 PM PDT Weeds often emerge at the same time as vulnerable crop seedlings and sneak between plants as crops grow. How do farmers kill them without harming the crops themselves? In a new study, researchers identify genes and metabolic pathways responsible for safener efficacy in grain sorghum. |
When more women make decisions, the environment wins Posted: 21 Mar 2019 12:28 PM PDT When more women are involved in group decisions about land management, the group conserves more - particularly when offered financial incentives to do so, according to a new study. |
Plant scraps are the key ingredient in cheap, sustainable jet fuel Posted: 21 Mar 2019 11:19 AM PDT Scientists have developed a process for converting plant waste from agriculture and timber harvesting into high-density aviation fuel. Their research may help reduce CO2 emissions from airplanes and rockets. |
Posted: 21 Mar 2019 11:19 AM PDT An international team has found a link between a class of enzymes and immune signals that is rapidly triggered upon physical damage in plants. This new discovery will increase our understanding of the plant immune system and might be exploited to improve crop health and yield in the future. |
Half-a-billion-year-old fossil reveals the origins of comb jellies Posted: 21 Mar 2019 11:19 AM PDT One of the ocean's little known carnivores has been allocated a new place in the evolutionary tree of life after scientists discovered its unmistakable resemblance with other sea-floor dwelling creatures. |
High-fructose corn syrup boosts intestinal tumor growth in mice Posted: 21 Mar 2019 11:19 AM PDT Consuming a daily modest amount of high-fructose corn syrup -- the equivalent of people drinking about 12 ounces of a sugar-sweetened beverage daily -- accelerates the growth of intestinal tumors in mouse models of the disease, independently of obesity, according to new research. |
First evidence bacterial-induced apoptosis in algae Posted: 21 Mar 2019 11:19 AM PDT Biologists show the first evidence of apoptosis, or programmed cell death in algae. The outcomes have broad-reaching implications, from the development of targeted antibiotics to the production of biofuels in industry. |
Two-step path to shrinking worker bee gonads Posted: 21 Mar 2019 11:18 AM PDT The dramatic difference in gonad size between honey bee queens and their female workers in response to their distinct diets requires the switching on of a specific genetic program, according to a new study. The finding may aid analysis of the interplay of genes and nutrition that drive caste dimorphism in honey bees. |
Hundreds of bubble streams link biology, seismology off Washington's coast Posted: 21 Mar 2019 10:09 AM PDT The first survey of methane vent sites off Washington's coast finds 1,778 bubble columns, with most located along a north-south band that is in line with a geologic fault. |
Examining ball pits as a playground for pathogenic germs Posted: 21 Mar 2019 10:04 AM PDT Ball pits used in children's physical therapy -- similar to those made popular by restaurants catering to families -- may contribute to germ transmission between patients, according to new research. |
Pathogenic, drug-resistant bacteria found in wastewater treatment plants Posted: 21 Mar 2019 10:04 AM PDT Infections caused by drug-resistant bacteria are a global public health threat causing serious illness and even death. In a new study, researchers conducted a survey of 20 municipal wastewater plants in England, and isolated drug-resistant Enterococcus faecium from all sites in both untreated and treated wastewater plants except three, which use ultraviolet light disinfection. A genomic comparison of E. faecium isolates from wastewater and bloodstream isolates of infected patients revealed two major lineages. |
Solving the efficiency of Gram-negative bacteria Posted: 21 Mar 2019 10:04 AM PDT Researchers have discovered how antibiotic-resistant bacteria construct their defense system -- a finding that could lead to new treatments for currently untreatable infections. |
Prenatal allergies prompt sexual changes in offspring Posted: 21 Mar 2019 10:03 AM PDT A single allergic reaction during pregnancy prompts sexual-development changes in the brains of offspring that last a lifetime, new research suggests. Female rats born to mothers exposed to an allergen during pregnancy acted more characteristically 'male' -- mounting other female rodents, for instance -- and had brains and nervous systems that looked more like those seen in typical male animals. |
Geophysics: A surprising, cascading earthquake Posted: 21 Mar 2019 10:03 AM PDT The Kaikoura earthquake in New Zealand in 2016 caused widespread damage. Researchers have now dissected its mechanisms revealing surprising insights on earthquake physics with the aid of simulations carried out on a supercomputer. |
Using more-specific 'genetic scissors' may avoid problems associated with gene editing Posted: 21 Mar 2019 10:03 AM PDT A new study suggests that there could be a way to bypass barriers to making CRISPR gene-editing treatments a viable option. Researchers found that using more-precise gene-editing technology that induces fewer breaks in DNA may keep stem cells' natural damage-response pathways under control. |
Study finds cells maintain a complete molecular 'memory' of their embryonic origins Posted: 21 Mar 2019 10:03 AM PDT In research that casts cells as curators of their own history, scientists have discovered that adult tissues retain a memory, inscribed on their DNA, of the embryonic cells from which they arose. The discovery led to one even more intriguing -- that the memory is fully retrievable: under certain conditions, cells can play the story of their development in reverse to switch on genes that were active in the fetal state. |
Bacteria bide their time when antibiotics attack Posted: 21 Mar 2019 09:59 AM PDT Scientists have built a model to predict how long, on average, it takes to eradicate a bacterial infection with antibiotics. The model could help doctors fight resistance by prescribing antibiotics that neither over- or under-dose a patient. |
New light into the recent evolution of the African rift valley Posted: 21 Mar 2019 07:28 AM PDT Continental rift valleys are huge fractures on the surface of the Earth that break continental plates with the eventual development of new oceans. Although instrumental in driving climate and biosphere in certain regions, this process is poorly documented and understood. In a new study, an international group of scientists has shed new light into the recent evolution of the African rift valley by conducting fieldwork, and integrating the results with laboratory analysis of volcanic rocks, analysis of the seismicity, morphology and numerical modelling. |
Protecting homes with netting window screens can reduce malaria parasite infection Posted: 21 Mar 2019 07:28 AM PDT Protecting houses against mosquitoes with netting window screens can suppress malaria vector populations and dramatically reduce human parasite infection prevalence, according to new research. |
New microscope captures large groups of neurons in living animals Posted: 21 Mar 2019 07:28 AM PDT Researchers have developed a microscope specifically for imaging large groups of interacting cells in their natural environments. The instrument provides scientists with a new tool for imaging neurons in living animals and could provide an unprecedented view into how large networks of neurons interact during various behaviors. |
World's smallest bears' facial expressions throw doubt on human superiority Posted: 21 Mar 2019 07:28 AM PDT The world's smallest bears can exactly mimic another bear's facial expressions, casting doubt on humans and other primates' supremacy at this subtle form of communication. It is the first time such exact facial mimicry has been seen outside of humans and gorillas. |
Ancient birds out of the egg running Posted: 21 Mar 2019 07:28 AM PDT Using their own laser imaging technology, scientists have determined the lifestyle of a special hatchling bird by revealing the previously unknown feathering preserved in the fossil specimen found in the ~125 million-year-old Early Cretaceous fossil beds of Los Hoyas, Spain. |
Research investigates impact of climate change on glacier-fed rivers in Peru Posted: 21 Mar 2019 07:28 AM PDT Remote communities in the Peruvian Andes, as well as communities downstream, depend on the water from melting glaciers and mountain ecosystems to provide them with food and power, and to support industry. |
Getting help with the kids slows down ageing in female birds Posted: 21 Mar 2019 06:22 AM PDT Seychelles warblers live and breed in family groups on the tiny island of Cousin. In each group, a dominant female and male reproduce. When helpers assist the with incubation and feeding of chicks, the dominant female breeders age more slowly and live longer, a study by biologists shows. The results indicate how cooperative breeding -- which also occurs in other species, including humans -- can increase life span. |
Alpine tundra releases long-frozen CO2 to the atmosphere, exacerbating climate warming Posted: 21 Mar 2019 06:22 AM PDT Thawing permafrost in high-altitude mountain ecosystems may be a stealthy, underexplored contributor to atmospheric carbon dioxide emissions. |
Cryptosporidium parasite detected in Minnesota groundwater Posted: 21 Mar 2019 06:22 AM PDT When consumed in contaminated water, the microscopic parasite Cryptosporidium can cause symptoms of stomach cramps, diarrhea and fever. Now, researchers have detected evidence of the parasite in about 40 percent of surveyed wells in public water systems in Minnesota -- even wells not influenced by surface water. The team emphasizes that they don't know whether the parasite levels are high enough to actually cause health concerns. |
Medicine and personal care products may lead to new pollutants in waterways Posted: 21 Mar 2019 06:22 AM PDT When you flush the toilet, you probably don't think about the traces of the medicine and personal care products in your body that are winding up in sewage treatment plants, streams, rivers, lakes, bays and the ocean. But scientists have found that bacteria in sewage treatment plants may be creating new contaminants that have not been evaluated for potential risks and may affect aquatic environments. |
Key to greater efficacy in cancer treatment Posted: 21 Mar 2019 06:22 AM PDT Researchers reveal that the number of mitochondria in a cell is, in great part, associated with how the cancer responds to drug therapy. |
Evidence for a Human Geomagnetic Sense Posted: 21 Mar 2019 05:36 AM PDT Scientists develop a robust experiment that shows human brain waves respond to changes in Earth-strength magnetic fields. |
Early exposure to pesticides linked to small increased risk of autism spectrum disorder Posted: 20 Mar 2019 06:58 PM PDT Exposure to common agricultural pesticides before birth and in the first year of life is associated with a small to moderately increased risk of autism spectrum disorder (ASD) compared with infants of women without such exposure, finds a new study. |
Volcano cliffs can affect monitoring data Posted: 20 Mar 2019 06:58 PM PDT New research reveals that sharp variations of the surface of volcanoes can affect data collected by monitoring equipment. |
Broad impacts from lake trout invasion in Yellowstone Posted: 20 Mar 2019 11:10 AM PDT Scientists analyzed data spanning more than four decades and concluded that the impact of lake trout in Yellowstone Lake -- in particular, the decline of native cutthroat trout -- has cascaded across the lake, its tributaries and the surrounding ecosystem. |
Rabbits like to eat plants with lots of DNA Posted: 20 Mar 2019 07:22 AM PDT Rabbits prefer to eat plants with plenty of DNA, according to a new study. |
Better water testing, safer produce Posted: 20 Mar 2019 07:22 AM PDT Irrigation water's E. coli results can differ between labs, test types. |
You are subscribed to email updates from Top Environment News -- ScienceDaily. To stop receiving these emails, you may unsubscribe now. | Email delivery powered by Google |
Google, 1600 Amphitheatre Parkway, Mountain View, CA 94043, United States |
Laden...
Laden...
© 2024