Tag: "hot" at biology news
Heat-loving Microbe Repairs Its DNA With Light
...d a microbe whichnot only survives under extremely hot
and acidic conditions; itcan repair its damaged DN...microbiologists overthe past 25 years from various hot
springs, undersea vents, andother geothermal environments. When its genetic material (DNA) is artif...
Nutrition Study Reshapes Strategies For Athletes
.... She adds that this is especially critical in the hot
and sultryenvirons of Atlanta during July. "They have been able to realize through the training program that by doingfluid replacement, they will actually do better in their performance," saidHoutkooper. "It's not intuitive for them to keep drinking....
Humble Pocket Gophers Shed Light On The Genetic Fortitude Of Cheetahs
...bond between them--and has bolstered one side of a hot
cheetah debate. That bond is remarkable genetic similarity between individuals within each species. Many scientists suspect that one reason behind the decline of cheetahs is their lack of genetic variation--a degree of sameness close to that seen in ...
Six-Year Drilling Project to Uncover One Million Years of Earth History
...ogram, which funded the grant. "A mantle plume or hot
spot is thought to have produced the string of vol...d view that Hawaii exists because of a fountain of hot
rock material coming from 3,000 kilometers deep in the Earth." The project will produce a co...
Methane Deep In Ocean Crust Could Feed Chemical-Hungry Microorganisms
... fields where the seafloor has fractured and emits hot
water and dissolved minerals. With funding from the National Science Foundation, Kelley studies minuscule amounts of seawater for clues about what could be a major source of methane and hydrocarbons. She has access to samples of a drill core from ...
A Drug Pump On A Computer Chip
...ow stream. Two heat sensors downstream detect this hot
spot as it passes by. From this measurement the flow rate can be calculated. The device has been bench tested successfully and is being scaled down for mass production, Huff reported at SPIEs Smart Structures and Materials Symposium in San Diego...
Hot 'Lanta: NASA, School Kids Team To Study How Trees Help Cities Keep Their Cool
...th of cities has produced "urban heat islands", or hot
spots within the otherwise cool countryside. Heat islandsare caused by heat buildup during the day in buildings, pavement, and other urban surfaces. This heat is released aftersunset and forms a dome of higher temperatures over the city. But Quattro...
Better Peroxidase Improves Disease Diagnosis
...erimenting with soybean peroxidase because it is a hot
"green" industrial commodity that can be extracted from soybean seed coats. Vierling says researchers have found ways to extract peroxidase from the soybean hulls without reducing the value of the oil or the meal in the beans. "Peroxidase replaces a...
Planned Burning In Forests A Boon To Several Species Of Birds In Illinois
...croaching. Landscape-management issueshave become hot
topics in the Midwest and in the West. Prescribed burning,Brawn said, will result in major changes within 10 years. "We haveto develop an understanding of what happens to all of the populations ofplants and animals." Brawn's research -- funded by ...
New Way To Drive Chemical Reactions: Collision Of Liquids At High Speed
...bubbles generates intense local heating, forming a hot
spotin the cold liquid with a transient temperature of about 9,000 degrees Fahrenheit,the pressure of about 1,000 atmospheres and the duration of about a billionthof a second." Any turbulent flow can cause cavitation in liquids, Suslick said. "Butg...
Limits Of Life On Earth: Are They The Key To Life On Other Planets?
New Nsf Grants To Foster Answers From scalding hot
places that rival Dante's Inferno to frigid locations colder than the dark side of the moon, scientists taking part in a $6 million National Science Foundation (NSF) research initiative are searching for life forms on Earth that may provide insight a...
New Materials Remove Corrosive Gas In Coal-Gasification Process
...l method of removing the hydrogen sulfide from the hot
coalgas must be found." Cal and his colleagues --...n veryeffectively remove hydrogen sulfide from the hot
coal-gas stream,"Cal said. "As an added bonus, the hydrogen sulfide that collects onthe sorbent can ...
Researchers Improve Treatment Of Industrial Waste
...te air and water emissions -- while they are still hot
-- from pulp and paper mills. Using heat-resistant microbes, the researchers treat waste air and water at temperatures up to 70 degrees Celsius, removing various pollutants. Currently industrial emissions must be cooled before treatment, us...
Genetic "Short Circuit" Leads To Cleft Palate
...n overactive gene, comparable to a bulb that burns hot
but still is able to complete the circuit and light up the other bulbs in the string. In these mice, the gene alters the normal activity of the other molecules in the circuit, but the palate still forms, although more slowly than in resistant mice t...
DNA Enzyme Works In Crystal Form; Yields New Insights Into Gene Copying
...called Bacillusstearothermophilus that is found in hot
springs in Idaho. The biochemists foundthis new polymerase seemed to produce superior crystals with DNA incorporated.But they were quite unprepared for the discovery that the enzyme would retainits catalytic activity in crystal form. "We were...
Tiger Beetles Go Blind At High Speeds
..., but the tiger beetle is unique. In the midst of hot
pursuit, it stops three or four times to reorient itself toward the prey. Even after a few stops, the tiger beetle has enough time to overtake its prey during its high-speed pursuit. Results from Gilbert's laboratory observations have been published...
UF Researchers: Development Promotes Disease Among Gopher Tortoises
... Sanibel Island and Indian River are considered hot
spots for the disease, Brown said. Because Sanibel is an island, she said, "animals are more likely to come in contact with each other, especially as habitat shrinks due to development." Brown said researchers are not sure why Indian River has a lot ...
Worm Wizardry: World's Most Heat-Tolerant Creature Suggests Enzymes For Drugs OrIndustry, UD Prof Says
...a, weird deep-sea worms survivetemperatures nearly hot
enough to boil water--too hot
for any other complexcreature on Earth--and they don't care if their `heads' are two-and-a-half time...
Food Bacteria-Spice Survey Shows Why Some Cultures Like It Hot
...ome -- not so coincidentally -- fromcountries with hot
climates. Humans' use of antimicrobial spices dev...erial spices probably were healthier,especially in hot
climates. They lived longer and left more offspring. And theytaught their offspring and others: 'T...
Global Warming Would Foster Spread Of Dengue Fever Into Some Temperate Regions
...curred as recently as 1995, during an unseasonably hot
year. The researchers used three different general circulation models topredict the patterns of global climate change; all three showed that dengue'sepidemic potential increases with a relatively small temperature rise. Thehigher a virus's ep...
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