ENN : Environment (70)

Annual Value of Trees? $500 Million Per Megacity, Study Says

In the megacities that are home to nearly 10 percent of the world's 7.5 billion people, trees provide each city with more than $500 million each year in services that make urban environments cleaner, more affordable and more pleasant places to live.In a recent study published in the online ...

MU Study Finds that Gravity, 'Mechanical Loading' are Key to Cartilage Development

Mechanical loading, or forces that stimulate cellular growth for development, is required for creating cartilage that is then turned to bone; however, little is known about cartilage development in the absence of gravity or mechanical loads. Now, in a study led by the University of Missouri, ...

Plants Under Heat Stress Must Act Surprisingly Quickly to Survive

In new results reported in The Plant Cell, molecular biologist Elizabeth Vierling at the University of Massachusetts Amherst and colleagues in India and China report finding a crucial mechanism that plants need to recover from heat stress.

Study Suggests Serotonin May Worsen Tinnitus

Millions of people suffer from the constant sensation of ringing or buzzing in the ears known as tinnitus, creating constant irritation for some and severe anxiety for others. Research by scientists at OHSU shows why a common antidepressant medication may worsen the condition.

Orange is the New Green: How Orange Peels Revived a Costa Rican Forest

In the mid-1990s, 1,000 truckloads of orange peels and orange pulp were purposefully unloaded onto a barren pasture in a Costa Rican national park. Today, that area is covered in lush, vine-laden forest.

Largest study of its kind reveals women have superior response to esophageal cancer treatment

Female patients with locally advanced esophageal cancer that is treated with chemotherapy and radiation therapy before surgery are more likely to have a favorable response to the treatment than male patients are, and women are less likely to experience cancer recurrence, according to ...

Why Tiger Snakes Are on a Winner

Australian tiger snakes have hit the jackpot' because prey cannot evolve resistance to their venom.

How Continents Were Recycled

Researchers from Germany and Switzerland have used computer simulations to analyse how plate tectonics have evolved on Earth over the last three billion years. They show that tectonic processes have changed in the course of the time, and demonstrate how those changes contributed to the formation and ...

Methane Hydrate is not a Smoking Gun in the Arctic Ocean

Clathrate gun hypothesis stirred quite the controversy when it was posed in 2003. It stated that methane hydrates – frozen water cages containing methane gas found below the ocean floor – can melt due to increasing ocean temperatures.

How high is air pollution in your city and how does it compare to the most polluted cities in the world?

Pollution is a greater global threat than Ebola and HIV, according to warnings by the World Health Organisation. According to its recent report, one in four deaths among children aged under five are now due to environmental hazards such as air pollution and contaminated water.Previously this year, ...

Once invincible superbug squashed by 'superteam' of antibiotics

The recent discovery of E. coli carrying mcr-1 and ndm-5 — genes that make the bacterium immune to last-resort antibiotics — has left clinicians without an effective means of treatment for the superbug.But in a new study, University at Buffalo researchers have assembled a team of three ...

How cytoplasm ''feels'' to a cell's components

Under a microscope, a cell's cytoplasm can resemble a tiny underwater version of New York's Times Square: Thousands of proteins swarm through a cytoplasm's watery environment, coming together and breaking apart like a cytoskeletal flash mob.Organelles such as mitochondria and lysosomes must traverse ...

Hidden river once flowed beneath Antarctic ice

Antarctic researchers from Rice University have discovered one of nature's supreme ironies: On Earth's driest, coldest continent, where surface water rarely exists, flowing liquid water below the ice appears to play a pivotal role in determining the fate of Antarctic ice streams.The finding, which ...

The World Eyes Yet Another Unconventional Source of Fossil Fuels

In May of this year, China claimed a breakthrough in tapping an obscure fossil fuel resource: Researchers there managed to suck a steady flow of methane gas out of frozen mud on the seafloor. That same month, Japan did the same. And in the United States, researchers pulled a core of muddy, ...

Hot spot at Hawaii? Not so fast

Through analysis of volcanic tracks, Rice University geophysicists have concluded that hot spots like those that formed the Hawaiian Islands aren't moving as fast as recently thought.Hot spots are areas where magma pushes up from deep Earth to form volcanoes. New results from geophysicist Richard ...

Destruction of small wetlands directly linked to algal blooms in Great Lakes

Canada's current wetland protection efforts have overlooked how the environment naturally protects fresh-water resources from agricultural fertilizer contaminants, researchers from the University of Waterloo have found.In a recent study, researchers at Waterloo's Faculty of Science and Faculty of ...

Slippery liquid surfaces confuse mussels to stop them from sticking to underwater structures

Non-toxic, lubricant-infused coatings deter mussels and prevent their attachment by disrupting their mechanosensory and adhesive systems.

Genome analysis with near-complete privacy possible

It is now possible to scour complete human genomes for the presence of disease-associated genes without revealing any genetic information not directly associated with the inquiry, say Stanford University researchers.This genome cloaking' technique, devised by biologists, computer scientists and ...

Allergies: cross-reactivity between cypress pollen and peaches/citrus fruits finally explained

Researchers have identified, for the first time, the likely origin of the cross-reactivity between cypress pollen, peaches and citrus fruits.

NASA Gets a Final Look at Hurricane Gert's Rainfall

Before Hurricane Gert became a post-tropical cyclone, NASA got a look at the rainfall occurring within the storm. After Gert became post-tropical NOAA's GOES-East satellite captured an image as Gert was merging with another system.The Global Precipitation Measurement mission or GPM core observatory ...

Climate Change and Habitat Conversion Combine to Homogenize Nature

Climate change and habitat conversion to agriculture are working together to homogenize nature, indicates a study in the journal Global Change Biology led by the University of California, Davis.In other words, the more things change, the more they are the same.While the individual impacts of ...

Study Reveals Evolutionary History of Imperiled Salmon Stocks

New technologies for analyzing DNA may transform how imperiled species are considered and managed for conservation protection, according to a study published today in the journal Science Advances and led by the University of California, Davis.These technologies can be applied to a wide range of ...

Right kind of collaboration is key to solving environmental problems

The coming decade may determine whether humanity will set a course toward a more socially and ecologically sustainable society. A crucial part of this goal is to develop a better understanding of how cooperation can be improved and become more effective, both within and among private stakeholders ...

Study: For food-waste recycling, policy is key

Food scraps. Okay, those aren't the first words that come to mind when you think about the environment. But 22 percent of the municipal solid waste dropped into landfills or incincerators in the U.S. is, in fact, food that could be put to better use through composting and soil enrichment.Moreover, ...

NOAA scientists get rare chance to study the effects of an eclipse on weather

It's the most fundamental principle of meteorology - energy from the sun drives Earth's weather.So what happens when the sun's rays are blocked by an eclipse? And can modern forecasting tools accurately predict changes in the weather when the sun's rays are partially or totally blocked?

Researchers unlock cheesemaking secret

Researchers say their new knowledge on the inner workings of a bacterium has important implications for Australia's billion dollar cheese industry.University of Queensland School of Agriculture and Food Sciences researcher Associate Professor Mark Turner said a discovery by a UQ, Columbia University ...

The Power of Perovskite

Originally a mineral, the perovskite used in today's technology is quite different from the rock found in the Earth mantle. A perovskite structure' uses a different combination of atoms but keep the general 3-dimensional structure originally observed in the mineral, which possesses superb ...

SPOILER ALERT: Computer Simulations Provide Preview of Upcoming Eclipse

A research team from Predictive Science Inc. used the Stampede2supercomputer at The University of Texas at Austin's Texas Advanced Computing Center  to forecast the corona of the sun during the upcoming eclipse. The findings shed light on what the eclipse of the sun might look like Aug. 21 when ...

Mosses used to evaluate atmospheric conditions in urban areas

Researchers have developed a method to evaluate atmospheric conditions using mosses in urban areas, a development that could facilitate broader evaluations of atmospheric environments.Many urban areas face atmospheric problems such as pollution and the heat island effect. With the need to evaluate ...

How we recall the past

When we have a new experience, the memory of that event is stored in a neural circuit that connects several parts of the hippocampus and other brain structures. Each cluster of neurons may store different aspects of the memory, such as the location where the event occurred or the emotions associated ...

Renewable Energy Prevented 12,700 Premature Deaths Over Nine-Year Period, Study Says

The expansion of wind and solar energy, and the resulting avoided emissions from fossil fuels, helped prevent up to 12,700 premature deaths in the U.S. from 2007 to 2015, according a new study in the journal Nature Energy.

New study validates East Antarctic ice sheet should remain stable even if western ice sheet melts

A new study from Indiana University-Purdue University Indianapolis validates that the central core of the East Antarctic ice sheet should remain stable even if the West Antarctic ice sheet melts.The study's findings are significant, given that some predict the West Antarctic ice sheet could melt ...

NASA Sees Potential Tropical Depression 9 Form East of Lesser Antilles

NOAA's GOES-East Satellite spotted potential Tropical Depression 9 organizing east of the Lesser Antilles.At 10:45 a.m. EDT on Aug. 13 NOAA's GOES-East satellite captured a visible image of potential Tropical Depression 9. The satellite imagery showed the circulation of the low pressure area was ...

Discovery could lead to new catalyst design to reduce nitrogen oxides in diesel exhaust

Researchers have discovered a new reaction mechanism that could be used to improve catalyst designs for pollution-control systems to further reduce emissions of smog-causing nitrogen oxides in diesel exhaust.

Potato waste processing may be the road to enhanced food waste conversion

With more than two dozen companies in Pennsylvania manufacturing potato chips, it is no wonder that researchers in Penn State's College of Agricultural Sciences have developed a novel approach to more efficiently convert potato waste into ethanol. This process may lead to reduced production costs ...

Satellites Show Hurricane Gert Being Affected by Wind Shear

NASA's Aqua satellite and NOAA's GOES-East satellite provided an infrared and visible look at Atlantic Hurricane Gert. Both images showed the storm was being affected by wind shear and had become elongated.  

How future volcanic eruptions will impact Earth's ozone layer

CFCs, greenhouse gases, and naturally occurring emissions of halogens will shape how volcanoes impact the ozone layer into the next century 

Algal blooms cost Ohio homeowners $152 million over six years

In a new study, researchers at The Ohio State University estimate algal blooms at two Ohio lakes cost Ohio homeowners $152 million in lost property value over six years.Meanwhile, a related study suggests that algae is driving anglers away from Lake Erie, causing fishing license sales to drop at ...

Poisonings went hand in hand with the drinking water in Pompeii

The ancient Romans were famous for their advanced water supply. But the drinking water in the pipelines was probably poisoned on a scale that may have led to daily problems with vomiting, diarrhoea, and liver and kidney damage. This is the finding of analyses of water pipe from Pompeii.- The ...

Are stem cells the link between bacteria and cancer?

Gastric carcinoma is one of the most common causes of cancer-related deaths, primarily because most patients present at an advanced stage of the disease. The main cause of this cancer is the bacterium Helicobacter pylori, which chronically infects around half of all humans. However, unlike tumour ...

Smoking Raises Risk of Aneurysm Recurrence After Endovascular Treatment

In a new study, researchers report people who have experienced an aneurysm have another reason to quit smoking.

Simulation shows the high cost of dementia, especially for families

A new simulation of how the costs and the course of the dementia epidemic affect U.S. families finds that neurodegenerative conditions can more than double the health care expenditures of aging and that the vast majority of that financial burden remains with families rather than government insurance ...

NASA's Rocket to Nowhere Finally Has a Destination

On a Thursday afternoon in June, a 17-foot-tall rocket motor—looking like something a dedicated amateur might fire off—stood fire-side-up on the salty desert of Promontory, Utah. Over the loudspeakers, an announcer counted down. And with the command to fire, quad cones of flame flew from the ...

Investigating the Enigma of Clouds and Climate Change

Clouds perform an important function in cooling the planet as they reflect solar energy back into space. Yet clouds also intensify warming by trapping the planet's heat and radiating it back to earth. As fossil fuel emissions continue to warm the planet, how will this dual role played by clouds ...

NASA Protects Its Super Heroes From Space Weather

It's not a bird or a plane but it might be a solar storm. We like to think of astronauts as our super heroes, but the reality is astronauts are not built like Superman who gains strength from the sun. In fact, much of the energy radiating from the sun is harmful to us mere mortals.

Navigation and spatial memory — brain region newly identified to be involved

Research conducted in a collaboration between Drs. Dun Mao, a researcher in Dr. Bruce McNaughton's lab at the Canadian Centre for Behavioural Neuroscience at the University of Lethbridge, and Steffen Kandler, a researcher in Professor Vincent Bonin's lab at Neuro-Electronics Research Flanders in ...

Neonics Put Bumblebees at Risk of Extinction, Study Reveals

Bumblebees are less able to start colonies when exposed to a common neonicotinoid pesticide, according to a new University of Guelph study.Prof. Nigel Raine has discovered that exposure to thiamethoxam reduces the chances of a bumblebee queen starting a new colony by more than one-quarter.

Freeze-dried foam soaks up carbon dioxide

Rice University materials scientists have created a light foam from two-dimensional sheets of hexagonal-boron nitride  that absorbs carbon dioxide.They discovered freeze-drying h-BN turned it into a macro-scale foam that disintegrates in liquids. But adding a bit of polyvinyl alcohol into the mix ...

Heavily used pesticide linked to breathing problems in farmworkers' children

Elemental sulfur, the most heavily used pesticide in California, may harm the respiratory health of children living near farms that use the pesticide, according to new research led by UC Berkeley.In a study of children in the Salinas Valley's agricultural community, researchers found significant ...

Changing Tides: Lake Michigan Could Best Support Lake Trout and Steelhead

Invasive mussels and less nutrients from tributaries have altered the Lake Michigan ecosystem making it more conducive to the stocking of lake trout and steelhead than Chinook salmon, according to a recent U.S. Geological Survey and Michigan State University study.Reduced stocking of Chinook ...