Tag: "burning" at biology news

A new tiger subspecies?

"Tyger! Tyger! burning bright / In the forests of the night / What immortal hand or eye / Could frame thy fearful symmetry?" When William Blake wrote these words in the late 1700s, the deforestation and habitat destruction that would decimate wild tiger populations had alr...

Latest census finds more American pika populations disappear as climate warms

...ed--we must limit heat-trapping emissions from the burning of dirty fossil fuels for energy now." Previous research results suggested that American pikas are particularly vulnerable to global warming because they reside in areas with cool, relatively moist climates and are unable to survive even six hours ...

Urban ecology study witnessing the birth of a 'designer ecosystem'

...n nitrogen input, which comes about because of the burning of fossil fuels in cars. Driving around fertilizes the ecosystem. "Is fertilizing a good thing? One of the things that we are going to do in the next phase is to investigate the consequences," she said. While the team's interest is in doing fundament...

Arid Australian interior linked to landscape burning by ancient humans

Landscape burning by ancient hunters and gatherers may have triggere...ed by human burning. The new study indicates such burning may have altered the flora enough to decrease the exchange of water vapor between the biosphere and ...

First view of a world without fire

...s destroy above-ground vegetation on a huge scale burning the critical carbon sinks which form such a fundam...ed ecosystems identified in our research have been burning for millions of years and include some of the most biodiverse regions of the world. We need to balan...

Biodiversity hotspots identify conservation priorities

...ats to the hotspot include logging and intentional burning to clear land for livestock or agriculture. Hotspots Revisited was produced by CEMEX, one of the world's largest cement manufacturers, in collaboration with Conservation International, Agrupacin Sierra Madre, and the University of Virginia. It was ed...

World's largest rainforest drying experiment completes first phase

...even the drying effects of rainforest clearing and burning itself." First, the biggest surprise noted thus far has been the great tolerance that this forest presented in the face of the severe drought that was created. As the moisture stored in the soil that sustained the forest during prolonged dry seasons ...

NASA study finds soot may be changing the Arctic environment

... of the soot comes from South Asia, one-third from burning biomass or vegetation around the world, and the remainder from Russia, Europe and North America. South Asia is estimated to have the largest industrial soot emissions in the world, and the meteorology in that region readily lofts pollution into the ...

Cholesterol-regulating protein maintains fat-storage, fat-burning balance

...le LXR plays in regulating the balance between fat burning and fat storage. "In the animals lacking LXR, not only can they not store fat, but their cholesterol concentrations build to excessive levels, which somehow drives the animals to burn fat," said Dr. Mangelsdorf, who holds the Doris and Bryan Wildent...

'Termite guts can save the planet,' says Nobel laureate

...se a solid, low-grade fuel about as futuristic as burning wood. If scientists can convert cellulose into liquid fuels like ethanol, the world's energy supply and storage problems could both be solved at a stroke." This is where the termite guts come in. A billion years of evolution have produced a highly ef...

Jeffrey Friedman, discoverer of leptin, receives Gairdner, Passano awards

...rn activates a metabolic pathway that promotes the burning of fat. Last year, Friedman and colleagues at Rockefeller and Yale showed that leptin affects both the architecture and function of neural circuits in the brain by changing the wiring of the brain, a phenomenon known as plasticity. Leptin alters the ...

Nitrogen fertilization of soil puts rare plant species at risk, nationwide study determines

...n by an increase in the use of fertilizers and the burning of fossil fuels, the amount of nitrogen available to plants at any given time has more than doubled since the 1940s. This high level of nitrogen addition appears to be having a very large negative impact on diversity, jeopardizing the existence of s...

Clincal trials indicate NEXIUM can reduce upper GI symptoms in patients using NSAIDS

...al (GI) symptoms such as moderate to severe pain, burning and discomfort in the upper abdomen associated with continuous, daily use of non-steroidal anti-inflammatory drugs (NSAIDs), including selective COX-2 inhibitors. In the trials, NEXIUM 20 mg and 40 mg significantly improved upper GI symptoms in pa...

Activation of thermoreceptors mediates raw garlic's burning pungency

...ungency, manifested as a characteristic mixture of burning and prickling sensations and flavor, can be ascribed largely to the effects of a particular compound and its ability to activate specific protein thermoreceptors in the mouth. The findings are reported in the May 24 issue of Current Biology by a te...

Burnt coal from the age of dinosaurs sheds light on today's global warming

...anges is the only way to understand the effects of burning massive amounts of fossil fuels today. Over the c...during the age of dinosaurs are triggered by the burning of vast underground coalfields. These coalfields were set ablaze by the intrusion of molten rock fro...

Small species back-up giant marsupial climate change extinction claim

...s who over hunted animals or destroyed habitats by burning the landscape. The findings, which were unearthed with the help of amateur fossil hunter, Ian Sobbe, are of particular significance because the Darling Downs fossil deposits are among the youngest Australian megafauna deposits - laid down on the cus...

Scientists use gene transfer technology and common virus to block neuropathic pain

... a hot stove? Imagine what it's like to have that burning pain in your hands or feet all the time and know there's virtually nothing you can do about it. It's called neuropathic pain, and it's a common complication of many diseases and medical conditions, especially diabetes. Drugs have little effect on thi...

Space measurements of carbon offer clearer view of Earth's climate future

...mping extra carbon dioxide into the atmosphere, by burning carbon that has been locked up in the Earth, is well known the overall concentration of this leading greenhouse gas has increased by a third since the Industrial Revolution. However, only around half of the extra carbon dioxide human activity sends...

Oceans turning to acid from rise in CO2

... form sediments. With the explosion of fossil-fuel burning over the past 200 years, it has been estimated that more than a third of the human-originated greenhouse gas has been absorbed by the oceans. While marine organisms need CO2 to survive, work by Caldeira and colleagues shows that too much CO2 in the o...

Ethanol and biodiesel from crops not worth the energy

...products." Although Pimentel advocates the use of burning biomass to produce thermal energy (to heat homes, ...cal energy from photovoltaic cells, wind power and burning biomass and producing fuel from hydrogen conversion....

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(Date:8/22/2014)... the birds and the bees. But that old ... fertilized. The fertilization process for flowering plants is ... male and female reproductive cells. New research from ... Munich, and including Carnegie,s Wolf Frommer, David Ehrhardt, ... signaling process that guides flowering plant fertilization. It ...
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