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Tag: "thermal" at biology news

Detecting cold, feeling pain: Study reveals why menthol feels fresh

...that TRP channels are the principal transducers of thermal stimuli in the mammalian periphery nervous system. ...

Scripps research team sheds light on long-sought cold sensation gene

... "It’s pretty amazing that one gene could impact thermal sensation this much," says Ajay Dhaka, a Scripps Research postdoctoral fellow in the Patapoutian lab and lead author on the Neuron paper. "It really highlights the importance of the peripheral nervous system and how temperature affects our behavior,"...

Palau's coral reefs show differential habitat recovery following the 1998 bleaching event

...illennia, and will be likely subjected to repeated thermal stress events and water temperatures considerably higher than historical averages. Using underwater digital video cameras, van Woesik and his team examined the rate of coral recovery at 13 different sites, and found that recovery rates...

Study warns deep-sea mining may pose serious threat to fragile marine ecosystems

...e vent communities showed that life could exist on thermal and chemical energy. Since oceans have existed, more or less, since the beginning of Earth's history, these deep sea hydrothermal vents could be the most ancient sites of life on Earth. Yet the vents are not only of scientific interest, since the org...

City ants take the heat

...an and Environmental Change. "We will construct thermal maps using satellite images recorded over several years. These maps will enable us to assess the potential biological consequences of urban warming and identify suitable sites for future experiments," Weng said. ...

Discovery of new cave millipedes casts light on Arizona cave ecology

... also developing methods for detecting caves using thermal remote sensing imagery. Once procedures are developed, these techniques ultimately will be used to find caves on Mars. He is also studying extreme cave-adapted life forms by characterizing their habitats to determine how they exist in the nutrient-st...

Corals that can fight global warming may one day help fragile reefs

...all corals are able to produce such defenses under thermal stress. "Some corals show unusual resilience to the double threat [of pathogens and warming seas], and we should look to these hardy corals for clues that might enhance others," said Harvell. "Other corals are more sensitive and will not survive the ...

How fish species suffer as a result of warmer waters

... tolerant to higher temperatures and display wider thermal windows than, for instance, fishes from polar regi...e to grow and reproduce only within a very limited thermal tolerance window. Investigations at the Alfred Wegener Institute show the key importance of oxyge...

Volcanic eruptions, ancient global warming linked

..., from Rutgers University. The Paleocene-Eocene thermal maximum, or PETM, was a period of intense warming that lasted roughly 220,000 years. In addition to the warming of sea surface waters, this event ?characterized by scientists as a "planetary emergency" ?also greatly increased the acidification of the...

Protein folding: Building a strong foundation

...s were the most stable in the face of chemical and thermal fluctuations. "We found that the most stable parts of the final, folded protein come together first during the folding," said co-author Pernilla Wittung-Stafshede, associate professor of biochemistry and cell biology and of chemistry. She said the ...

Iowa State researchers improving plastics made from corn and soy proteins

...rk to characterize the plastics' strength plus its thermal and mechanical properties. Working with the two companies should help move all that work ahead, Kessler said. "Collaborating with these companies will be useful," he said. "And we hope it will help us come up with other ideas."...

Thermal imaging shatters arousal gender gap myth

A new McGill University study that used thermal imaging technology for the first time ever to measure sexual arousal rates has turned the conventional wisdom that women become aroused more slowly than men on its head. "Comparing sexual arousal between men and women, we see that there is ...

NAU researchers chirping over discovery of new cricket genus

...He is developing methods for detecting caves using thermal remote sensing technologies. Once procedures are developed, these techniques ultimately will be used to find caves on Mars. Once his team identifies Martian caves, robotic cave explorers will be developed to search for life under the Martian surface....

Recent, rapid climate change is driving evolution of animal species

...f seasonal events should precede genetic shifts of thermal optima or increased heat tolerance over evolutionary time," said Holzapfel. "That is the pattern that is emerging. Questions remain about the relative rates of environmental and evolutionary change. However, it is clear that unless the long-term m...

Arctic coring expedition continues to yield new clues

...llion years ago, and known as the Paleocene/Eocene thermal maximum, or PETM. Researchers have long recognized that a massive release of greenhouse gases, probably carbon dioxide or methane, occurred during the PETM. Surface temperatures also rose in many places by as much as 15 degrees Fahrenheit ...

Combined treatment extends life expectancy for lung cancer patients

Combining thermal ablation with radiation therapy extends average li... 20 months after radiation alone to 42 months when thermal ablation was followed by radiation for treatment of non-small-cell lung cancer. The results are publ...

New GI technologies improve internal organ visualization

...igs; three received angiography and three received thermal ablation, or clearing of the aortic valve. The re...howed no complications, nor did the angiography or thermal ablation procedures. EUS-guided fine-needle aspiration, or removal of heart tissue for examination,...

DOE JGI finishes 100th microbial genome

... "The sequence acquisition of DNA from superheated thermal aquifers and other unique sources has resulted in the discovery of a new class of thermostable DNA polymerases and unique thermostable cellulase and hemicellulase enzymes. Without the DOE JGI these valuable molecules would not have made it into the m...

Ancient global warming drove early primates' dispersal

...he onset of an event known as the Paleocene-Eocene thermal maximum (PETM), one of the most rapid and extreme global warming events recorded in geologic history. It was during the PETM that modern primates first appeared 55 million years ago. Teilhardina in Asia precedes the maximum flood of carbon-12, Teilha...

Major WHO study concludes calcium supplements can reduce complications during pregnancy

... actual proteins are constantly quivering from the thermal motion of their atoms. Drug-binding sites that may be closed most of the time can be transiently exposed by an imperceptible atomic shudder. "This 'foot in the door' mechanism of drug binding and action is a relatively new way of thinking about thing...

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