Tag: "dioxide" at biology news
Minuscule Ocean Plants Help Stabilize Earth's Atmosphere, Climate
...s and a German institution. Because carbon dioxide
traps solar heat, phytoplankton growth also helpsr...strialized world. And, ironically, the extracarbon dioxide
generated by burning those fuels, in turn, will almost certainlyaffect future activity and distribut...
Duke Studies Show U.S. Central Plains Vulnerable To Global Warming
...aused by increases in solar-energy-trapping carbon dioxide
from fossilfuel burning -- will significantly incr...sits, increasing evenfurther the release of carbon dioxide
into the air. However, Camill's research suggests that global warming might actuallyproduce ...
Open-Air Experiment Shows High CO2 Boosts Tree Growth
...cilitythat exposes open-air forests to high carbon dioxide
levels suggest thatSoutheastern forest trees could...-top growth chambershave hinted that higher carbon dioxide
levels could increase growth levels insome plant species. But until experiments like FACTS-1, scient...
High Carbon Dioxide Levels May Be Killing Insects
...uences WHILE rising levels of atmospheric carbon dioxide
might make plants grow faster,they could be bad news for plant-eating insects. A Florida biologist has foundthat subtle increases in CO2 can kill leaf-eating moths by reducing thenutritional value of the leaves they feed on. Peter Stiling, a...
Scientists Hope To Learn How Long Trees Can Absorb High Levels Of CO2
...treeswere exposed for one growing season to carbon dioxide
levels projected for50 years in the future, accord...ity of trees to absorbincreasing amounts of carbon dioxide
from fossil-fuel combustion and deforestation,researchers caution that the growth rate likely cannot...
Clean Air Act Reduces Acid Rain In Eastern U.S.
...y Park, Pa. Acid rain is caused by sulfur dioxide
and nitrogen oxides produced whenfuels burn. The source of most sulfur dioxide
is high-sulfur coal burned inpower plants. Controlling this source of sulfur dioxide
production can ...
North America Absorbing Carbon Dioxide At Surprisingly High Rate, Team Reports
... Ecosystems in North America are absorbing carbon dioxide
at a rate thatis greater than expected, according ...ging greenhouse warming of the atmosphere. Carbon dioxide
is one ofseveral gases implicated in greenhouse warming. The findings of the research team, ...
Old Growth Forests May Shed Light On Worldwide Greenhouse Effect
...en and his teambegan measuring the flows of carbon dioxide
and water on 550-year-old and40-year-old Douglas fir forests at a research site near the Wind River insouthern Washington. Their initial data suggested that both the old growth andthe 40-year-old forest absorbed more carbon than they released. How...
UC Scientists Search For Alternatives For Methyl Bromide
...th Mitcham has been testing combinations of carbon dioxide
at cold-storage temperatures on pests found in ...l markets now closed to US exports. "The carbon dioxide
treatment is pretty encouraging," she said. "But it's not the answer for everything. It fills an ...
Bones of Crocodile-like Beasts Tell Tale of Global Warming
...ely after volcanoes around the world spewed carbon dioxide
intothe atmosphere about 90 million years ago, the...re "basaltic" - tons of lava oozed out, and carbon dioxide
floatedskyward. Besides huge amounts of lava in the Arctic, where hardened lava rocktoday measures m...
Nuclear Safer Than Coal?
...ut that fifteen tonnes of the greenhousegas carbon dioxide
are produced every minute in a large, coal power stationtogether with large quantities of sulphur dioxide, nitrogen oxides and organiccompounds, many of which are known carcinogens. In comparison, a nuclear power station producing the same amount o...
New Method For Destroying Potentially Deadly Toxins In Drinking Water
... The detoxification method, which uses titanium dioxide
and light todestroy the toxins, is described in th...ield and to confirm that water treatedwithtitanium dioxide
is safe to drink....
New "Restaurant" For Bacteria May Improve Pollution Clean-Up
...of (toxic chemicals)." The by-products are carbon dioxide
andmorebacteria. To test their bioreactor, the researchers intentionally "spilled" BTX on soil. They saytheir solvent was able to recover more than 99% of the pollutants from the soil. When itwas then put through the bioreactor, "the bacteria readil...
Penn State Engineers Develop New Simulation For Ultrafine Particle Growth Process
...ping and breakup processes that ultrafine titanium dioxide
particlesundergo before they reach their final siz...e. Formation of ultrafine,nanometer-sized titanium dioxide
particles, about the size of a virus, ischaracterized by rapid aggregation of large particle groups ...
At Last There's A Way To Fight The Dreaded E.coli
... of Calgary, consists ofan inert sphere of silicon dioxide
from which multiple copies of a trisaccharidesugar molecule protrude. These mimic the receptors on gut cells to which thebacterium's deadly "shiga" toxin binds. When patients swallow the drug, itreaches the gut undigested and mops up the toxin. Inte...
New Polyester Products Perform Better And Are Easy To Recycle
...pproaches to make polyester packaging retaincarbon dioxide
longer," says Long. The result is longer lasting packaging andlonger shelf life for the food and drinks in such packages. "Your drinks willhave improved flavor too," he says. In the same talk, Long will talk about preparing liquid crystalline...
Increasing Carbon Dioxide Threatens Tropical Coral Reefs
...tly threatened by thebuildup of atmospheric carbon dioxide
(CO2) entering the oceans, andsome reefs may alrea...ines as CO2 enters tropical surface waters. Carbon dioxide
is an important greenhouse gas produced by fossil-fueluse. For their study, the authors used future ...
Successful 'Green' Solvent Found For Problematic Chemicals
...iversity of Pittsburgh, forced supercriticalcarbon dioxide
through a solution of naphthelene (moth balls) dis.../ naphthalene mixture wasdepressurized, the carbon dioxide
returned to its gaseous form, leaving puresolid naphthalene. While lots of carbon dioxide
The Green Party
...ely altered the atmosphere,transforming the carbon dioxide
environment into an oxygen-rich one. The two Phot...dmay process up to 50 percent of the excess carbon dioxide
greenhouse gassesimplicated in the current global warming debate. Burning carbon fuel such as oil an...
Fossilized Emu Eggshells Give Clues To 65,000 Years Of Vegetation And Climate Changes In Australia
...r photosynthetic pathways. One set converts carbon dioxide
to a compound with 3 carbon atoms ( C3) during the process of photosynthesis, while the other changes the CO2 into a compound with four atoms of carbon (C4). The distribution of the C3 and C4 grasses over the continent depends on the season of rainfa...
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