Tag: "melt" at biology news

Popular Science announces Third Annual 'Brilliant 10'

...His research reveals an Earth where ice sheets can melt more--raising sea levels faster--than anyone previously imagined. Brian Enquist , 35, University of Arizona (Tucson, AZ) for his work in the field of evolutionary ecology. Brian Enquist talks about the natural world as if it were a wind-up clock:...

Global warming to squeeze western mountains dry by 2050

...he mountains into April, "at mid-century snow will melt off much earlier than that," Leung said, noting research that shows in the past 50 years coastal mountain ranges have already lost 60 percent of their snowpack. "The change in the timing of the water flow is not welcome," Leung said. "The rules we h...

USGS February science picks

...he late summer and early autumn because the summer melt has reduced the availability of sea ice in these r...e, according to USGS hydrologists. The snows that melt off each spring provide essential runoff to streams and reservoirs and provide recharge to the natio...

Research shows little effect from Arctic offshore oil drilling

...d summers in the area, studying how the summertime melt on the mainland affected the surrounding ocean. "Starting in late May of 2001 and 2002 we began intensive daily sampling at three rivers, trying to understand the input of dissolved chemicals and suspended sediments into the ocean," said Trefry. "Wh...

Is this what killed the dinosaurs?

...shroom out; it then flattens causing the mantle to melt and erupt magma over the earth's surface and across an area of some 1,000 kilometres diameter. These eruptions last between one and two million years and more than one million cubic kilometres of lava can be erupted in that time. Today, we can witnes...

New study of Europa may explain mysterious ice domes, places to search for evidence of life

...ent of table salt or battery acid, these compounds melt ice at low temperatures, allowing warmer, more pristine blobs of ice to force the icy surface up in places, creating the domes. "We have been trying for some time to understand how these ice blobs can push up through the frozen shell of Europa, which...

Purdue Research Park company makes melt-in-your-mouth meds

... Frosta(tm), involves tablet formulations that can melt in a patient's mouth as quickly as 10 seconds - mu... machines are relatively strong, but often fail to melt quickly. "Our technology enables pharmaceutical companies to manufacture fast-melting tablets on con...

Methane and mini-horses: Fossils reveal effects of global warming

...th's temperature up by several degrees---enough to melt polar ice and raise sea level and cause many other problems that would be difficult to survive. That's what makes the temperature rises we're measuring now more worrisome than those that occurred in the past."...

Early Mars: Warm enough to melt water?

...planet. The impacts would warm the atmosphere and melt water trapped in underground and surface ice, causing rivers to flow and cutting the valleys that rival Arizona's Grand Canyon. "I do not think this is right," said Dr. James F. Kasting, distinguished professor of geosciences and meteorology. "I d...

Chocolate treats for the heart

... flour Pinch salt Directions : In double boiler, melt chocolate, butter and confectioner's sugar. Whip salt, eggs and yolks in mixer until lemon yellow. Pour in melted chocolate and whip. Stir in sifted cake flour. Pour into greased 4 oz. ramekins and bake at 350 F for 15 minutes. Turn out onto desser...

January GEOLOGY and GSA TODAY media highlights

... lower crust and the mineral reactions controlling melt production strongly influenced pathways of melt transfer and controlled the mechanical behavior of the lithosphere during orogenesis. (2) Evolving l...

Efficient plastic nuggets key to agricultural plastic waste disposal

...process can mix plastic types, because it does not melt the plastic. Only the outer portion of the nugget...od pushes them into the die. The die is heated to melt the outer layer and a snake of compacted, but mostly unmelted plastic emerges. For the prototype, G...

From nanotechnology to raspberries, Virginia Tech inventions and creations can improve our lives

...censed to Johnson & Johnson Vision Products. These melt processable polymers are particularly useful for optical and ophthalmic parts, such as lenses. The patent describes a method of preparing optical and ophthalmic lenses by injection molding using the patented polymers. Ph.D. graduate Kunrong Wang and ...

May media highlights: GEOLOGY and GSA TODAY

...n the Moon by younger igneous intrusions or impact melt bodies. In the Vredefort dome in South Africa, how...pact structure. Rather than an intrusive or impact melt heat source, the authors propose that the metamorphism reflects extreme shock heating, and subsequen...

Sea levels likely to rise higher than IPCC predictions

...eratures get warmer. In addition, smaller glaciers melt faster than large ones because a greater percentag...al fashion, he said. The researchers have observed melt ponds forming in these particular regions, and believe this melting may be triggering the ice-shelf ...

Antarctic mud reveals ancient evidence of global climate change

...y significant changes in water temperature and ice melt during the past 7,000 years," says Robert Dunbar, professor of geological and environmental sciences at Stanford. "The cause of these highly variable climate changes is still a mystery." Glacial evolution Dunbar and Boston University collaborators R...

December Media Mighlights: GEOLOGY and GSA TODAY

...old anisotropies are very important in controlling melt migration and the beginnings of asthenospheric convection as lithosphere is converted to asthenosphere. 2) One of the main paleosutures of the Rockies, the Cheyenne belt suture between Archean and Proterozoic lithospheres, has a north-dipping, high-v...

University of Cincinnati researchers track climate changes in Arctic thaw lakes

...il. If global warming occurs, the permafrost could melt and peat would start to decompose, releasing greenhouse gases into the atmosphere. "This could accelerate global warming," said Eisner. "If this scenario turns out to be true, we would probably want to do everything we could to keep these basins int...

Antarctic remediation underway

... safeguard penguin chicks at a nearby rookery from melt pools contaminated with oil from an unknown source...ars to be petroleum residue in about a dozen small melt pools on the site. The source of the contamination is as yet unknown. Although no long...

Seven decades of management virtually wipes out life from the tidal flats of the Colorado River Delta

...ycles in the shell (In the spring, water from snow melt has fewer isotopes.). They learned that the averag... release more water to the delta, as rain and snow melt allow. As a result, there has been partial revival of riparian habitats in the upper delta. In contr...

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