Tag: "deep" at biology news
Duke Geologists Explore Alternative Way To Measure Ice Age Sea Bottom Temperatures
...y tool for reconstructing past temperatures in the deep
ocean, but that's a convoluted signal," Dwyer adde...e latitude as New Jersey. That is a location where deep
sea circulation patterns are thought to shift markedly between glacial and interglacial periods. The...
University of Cincinnati Biologists Find First Terrestrial Ecosystem That Survives Without Sun's Energy
...the food web is chemoautotrophic. Microbes living deep
inside the cave's air bells use theenergy released by oxidizing hydrogen sulfide to provide food forthe cave's numerous and unusual animals. The cave contains 48species, including 33 which are found nowhere else in the world. "Movile is the only cave...
Hawaiian Whales Show 'No Overt Response' To Sounds Of ATOC Simulation
...called "deep sound channel," the 800- to 900-meter deep
layer of water that catches and transmits sounds ...he ocean. Sperm whales are known to frequent the deep
sound channel, but they are not believed capable of hearing low-frequency sounds of the type genera...
Duke Ecologist Says Logging Is Creating 'Mahogany Deserts'
... other trees. In the dry season, its leaves turn a deep
mahoganyred and then shed, mimicking the autumn ritual of northern deciduous trees.Before their leaves fall, mahogany crowns' distinctive color allows timbercompanies to spot marketable mahogany trees from overflying aircraft, Snooksaid. Because the...
Six-Year Drilling Project to Uncover One Million Years of Earth History
... of hot rock material coming from 3,000 kilometers deep
in the Earth." The project will produce a ...ife of a Hawaiian volcano, movement of groundwater deep
within the volcanic complex, and the earthquake cycle that occurs on the Big Island. The new...
Changing Continental Runoff Patterns Could Change Ocean Circulation
...found is that during the early Eocene, the oceans' deep
water formation patterns may have been sensitive ... stops, new salty areas could form to produce new deep
water formation sites. In today's oceans, deep
water forms near the poles with cold water sinkin...
An Equal Opportunity Extinction? Cincinnati Geologists Find Global Impact from Permian Die
... at distinct environmental zones from nearshore to deep
water. Reefs and other highly diverse environmentsgenerally occur within a specific environmental zone. Again,there was no significant difference among zones. The Late Permianextinction event affected them all equally. As a continuation of his resear...
Antarctic Science Season Gears Up With Searches for Meteorites, Neutrinos, and New Life Forms
...he past. It will also be compared with the famous deep
cores from the Greenland ice sheet, to assess whether the rapid climate changes recorded in Greenland had a global reach. Flying Above the Rift If West Antarctica's ice melted, sea level would rise worldwide by six meters. West Antarctic...
Duke's Russian Laser Making Ultraviolet Light And Gamma Rays
... a new FEL record of 193 nanometers, which wouldbe deep
in the ultraviolet. "Our goal in the next half yea...and TUNL's director. That helium burning reaction deep
within stars like our own sun convertsthe isotope carbon-12 into the isotope oxygen-16. Knowing more...
Sea Turtles Have Favorite Oceanic Routes
...ed to survive the crushing pressure of the ocean's deep
water and buoyant enough to transmit a signal when a turtle reached the water's surface. Attaching the transmitters to the turtles was not easy: the pliable, yet oily carapace -- the sea turtle's shell -- made attaching the tethered transmitter diff...
Researcher Discovers Key Brain Center For Speech
...uch is known about this part of the brain. Located deep
withineach hemisphere, the insula is about two inches wide. The key area for speech articulation seems to be a piece of the left insulaabout the size of a pencil tip eraser. One step among the many brain processesfrom generating the concept to utte...
Methane Deep In Ocean Crust Could Feed Chemical-Hungry Microorganisms
...croorganisms living at the seafloor and, possibly, deep
within the earth's crust. Microorganisms in the ocean depths thrive where there is no light and dine on chemicals toxic to other life. Deborah Kelley, a University of Washington oceanographer, presents a poster at this week's American Geological S...
Laser Microscope At Cornell Images Serotonin In Live Cells
...ryptophan, which can normally be excited only with deep
ultraviolet (~250nm) illumination, are now excited...se the technology to look for serotonin secretions deep
inside the brain. The technology could be used for studies of the nervous system, not just the immu...
Isle Royale Moose Continue Decline
...ng moose were severely stressed from lack of food, deep
snows, and a heavy infestation of winter ticks. The moose population was dealt yet another blow, the late arrival of spring greenup, which resulted in additional moose mortality from starvation. Dr. Rolf Peterson, a wildlife biologist at Michigan Tec...
Project Shows Native Bacteria Can Destroy Widespread Pollutant In Groundwater
...ts can be high for pumping contaminated water from deep
aquifers. The clean water that replaces the water pumped to the surface can become contaminated when it comes into contact with the tainted sands that remain. The basic idea behind in situ bioremediation is simple: If you provide naturally occurrin...
Restoring Farm Land To Natural Wetlands Key To Stemming Flood
...quent research prompted by thatquestion revealed a deep
history, which, Schneider said, is not well-known.He chronicled that history in "Enclosing the Floodplain: Resource Conflicton the Illinois River, 1880-1920," a paper published last year in thejournal Environmental History. In it, and a related repor...
More To Drought Than Meets The Eye
...ow drought tolerant trees actually store energy in deep
roots and why sometrees are putting energy into trunk growth during droughts."...
Low Oxygen, Key To Fetal Development, Also Offers Cancer Clues
...atingunder low-oxygen conditions, like those found deep
inside a largetumor, because radiation and anti-cancer drugs target cells thatare dividing. Scientists like Ludlow someday hope to break downthis protective hypoxic barrier and make these cells morevulnerable to treatment. Ludlow's work is spons...
Fossils Show British Columbia Was Once 2,000 Miles South
...ult is certainly extinct, and because it is buried deep
in the Earth'scrust, it may never be detected. Ward also dismisses observations that fossils in the British Columbiarocks show no evidence of tropical marine life, typical of Baja California. Hepoints out that the rocks were formed in the Cr...
Smoking Mice Lead To Emphysema Breakthrough
...s actually becomeoverinflated, leaving no room for deep
breaths. About 2 million Americans sufferfrom the disease. Before this study, most researchers assumed that emphysema was caused byneutrophils, white blood cells that destroy foreign invaders and, occasionally,cause inflammation. According to...
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