Showing 20 articles starting at article 161

< Previous 20 articles        Next 20 articles >

Categories: Biology: Zoology, Geoscience: Earth Science

Return to the site home page

     (via sciencedaily.com)     Original source 

A study helps explain why dairy cows infected by highly pathogenic avian influenza are shedding the virus in their milk. Their findings could help develop biosecurity measures aimed at slowing the spread of the illness.

     (via sciencedaily.com)     Original source 

Researchers have discovered a new mechanism by which particles are formed around the globe.

     (via sciencedaily.com)     Original source 

In a revelation highlighting the fragile balance of our planet's atmosphere, scientists have uncovered an unexpected link between massive wildfire events and the chemistry of the ozone layer. Using satellite data and numerical modeling, the team discovered that an enormous smoke-charged vortex nearly doubles the southern hemispheric aerosol burden in the middle stratosphere of the Earth and reorders ozone depletion at different heights. This study reveals how wildfires, such as the catastrophic 2019/20 Australian bushfires, impact the stratosphere in previously unseen ways.

     (via sciencedaily.com)     Original source 

Methane, a strong greenhouse gas that naturally escapes from the bottom of the North Sea, is affected by the pressure of high or low tide. Methane emissions from the seafloor can be just easily three times as much or as little, depending on the tide, according to a new study.

     (via sciencedaily.com)     Original source 

Lakes, with their rich biodiversity and important ecological services, face a concerning trend: rapidly increasing temperatures. A recent study by limnologists and climate modelers reveals that if current anthropogenic warming continues until the end of this century, lakes worldwide will likely experience pervasive and unprecedented surface and subsurface warming, far outside the range of what they have encountered before.

     (via sciencedaily.com)     Original source 

An invasive fungus that colonizes the skin of hibernating bats with deadly consequences is a stealthy invader that uses multiple strategies to slip into the small mammals' skin cells and quietly manipulate them to aid its own survival. The fungus, which causes the disease white-nose syndrome, has devastated several North American species over the last 18 years.

     (via sciencedaily.com)     Original source 

The flow of water within a muscle fiber may dictate how quickly muscle can contract, according to a new study.

     (via sciencedaily.com)     Original source 

The ability of salmon hatcheries to increase wild salmon abundance may come at the cost of reduced diversity among wild salmon, according to a new study.

     (via sciencedaily.com)     Original source 

Cooperative hunting, resource sharing, and using the same signals to communicate the same information -- these are all examples of cultural sharing that have been observed between distinct animal species. In a new article, researchers introduce the term 'co-culture' to describe cultural sharing between animal species. These relationships are mutual and go beyond one species watching and mimicking another species' behavior -- in co-cultures, both species influence each other in substantial ways.

     (via sciencedaily.com)     Original source 

Without additional regulation, burning ammonia in ship engines could cause serious impacts on air quality that could result in more than 600,000 additional premature deaths per year, according to new research.

     (via sciencedaily.com)     Original source 

Researchers have found that the key to a quick and cost-effective mapping of biodiversity has been right in front of our eyes all along, but at the same time invisible -- i.e., in the air that surrounds us.

     (via sciencedaily.com)     Original source 

Switching from a diet high in saturated animal fats to one rich in plant-based unsaturated fats affects the fat composition in the blood, which in turn influences long-term disease risk. A study shows that it is possible to accurately measure diet-related fat changes in the blood and directly link them to the risk of developing cardiovascular disease and type 2 diabetes.

     (via sciencedaily.com)     Original source 

Pollinators experienced a 39-percent decline in foraging efficiency after being exposed to elevated air pollution levels. In contrast, plant-eating aphids and other pests were not significantly impacted.

     (via sciencedaily.com)     Original source 

Seagull chicks raised on an 'urban' diet still prefer seafood.

     (via sciencedaily.com)     Original source 

Findings has critical implications for predicting extreme weather events such as hurricanes and heavy rainfall.

     (via sciencedaily.com)     Original source 

The surprising discovery of a new species of extinct crocodile relative from the Triassic Favret Formation of Nevada, USA, rewrites the story of life along the coasts during the first act of the Age of Dinosaurs. The new species Benggwigwishingasuchus eremicarminis reveals that while giant ichthyosaurs ruled the oceans, the ancient crocodile kin known as pseudosuchian archosaurs ruled the shores across the Middle Triassic globe between 247.2 and 237 million years ago.

     (via sciencedaily.com)     Original source 

New evidence of changes to the Gulf Stream during the last ice age could indicate additional sensitivity to future climatic changes, finds a new study.

     (via sciencedaily.com)     Original source 

Adding crushed basalt rocks and special fertilizers can reduce potent nitrous oxide (N2O) greenhouse gas emissions and help safeguard the stratospheric ozone layer.

     (via sciencedaily.com)     Original source 

Unique recordings show that bats can ramp up heart rate from 6 to 900 b.p.m within minutes.

     (via sciencedaily.com)     Original source 

Researchers developed TetrapodTraits -- a global database of animals with four feet -- which can now be applied for better ecology, evolution and conservation research.