Tag: "miles" at biology news
Core Spins Faster Than Earth, Scientists Find
...miles.(The inner and outer core together are 4,350 miles
wide and theEarth's diameter is about 7,900 miles.) The electrical currentsand convecting movements within the Earth's liquid core generatethe planet's powerful magnetic field, which in turn drives theinner core in the way that can now be observed. A...
Hibernation: The Opposite of Sleep?
...dents that live in the Brooks Range of Alaska, 200 miles
north of the ArcticCircle. During hibernation a ground squirrel lowers its body temperature below freezing and stays that way for weeks, virtually braindead, with no detectable brain waves or signs of breathing. Once or twice a month, however, it sto...
Study Shows Songbirds Switch From Bugs To Berries To Fuel Fall Migration
... species oftiny songbirds that travel thousands of miles
every fall from breeding sites inthe United States and Canada to wintering grounds in Latin America and theCaribbean. "Many researchers and bird watchers knew that North American migrating birdsconsumed fruit during autumn, but the extent and import...
...ns in Africa, where the chisel-toothed rodents dig miles
of burrows in search of the small bulbs and tubers that sustain them. Tuber patches in mole-rats' natural habitat are widely and irregularly dispersed, explained Sherman. Naked mole-rats (Heterocephalus glaber) must chew through lots of hardpan d...
Sea Turtles Have Favorite Oceanic Routes
...ular turtles turns out to be at most a few hundred miles
wide. It extends from Central America in the direction of the Galapagos Islands, and the researchers managed to track some of the turtles well beyond the Galapagos before the transmitters expired. Even though the turtles have vast areas of ocean in ...
Robots, Virtual Reality & Other "Smart" Tools Soon Will Help Physicians Heal Patients
...in the operating room; and physicians thousands of miles
apart participating in live surgery -- these are among early 21st century technologies doctors and engineers are dreaming about and developing now. "We're encouraging close collaboration between engineers and surgeons to rapidly develop resea...
A Phoenix From A Ring Of Fire Is A Pattern For The Recovery Of Mount St. Helens
...volcano created an explosion that was heard 2,500 miles
away in central Australia. The tsunami (or marine pressure wave) generated was a wall of water seven stories high that destroyed more than 160 towns and villages. The airwaves from the blast made four journeys around the globe, and a great belt o...
Beset By Human Competition, Penguins Must Take Marathon Food Trips To Avoid Starvation, A Researcher Finds
... southern Argentina sometimes travel more than 300 miles
from their nesting sites. Boersma's research is th...try. She found that one male traveled at least 324 miles
and the other 147 miles
from the reserve. The furthest points of all but two of the birds' 10 record...
Houseflies May Transmit Ulcer Bug
...es." "The adult housefly can fly as far as 20 miles
from its source andcan freely enter houses and areas where people congregate, as well asmarkets, stores, and other places where human food is available. It justas freely frequents human and animal excrement alike," he says. Dr. Grbel warns th...
UW Smogmobile Offers Cleaner, Safer Alternative To Gas Or Electric Cars
...re efficient motor that could achieve two to three miles
per gallon in an optimally designed vehicle. This ... the average range for gas-powered vehicles of 250 miles
between fill-ups. As large as the 100-gallon tank sounds, Williams said it would still weigh less th...
Fossils Show British Columbia Was Once 2,000 Miles South
...lear evidence that theregion was once nearly 2,000 miles
to the south. "Everything that we now rec...llion years ago. That rate of movement, about2,000 miles
in 15 million years, indicates a slippage of about 21 centimeters(about 8 inches) a year, compared w...
Penn State Erie's Sea Grant To Focus On Ecology, Economic Development
...y give people reason to reconsider. The 43 miles
of Lake Erie coastline in Pennsylvania, thePresque Isle peninsula, Presque Isle Bay and the 511-square-mileLake Erie watershed are the focus of the $480,000 grant formingthe Pennsylvania Sea Grant Coherent Area Plan. Previously,Pennsylvania did not ...
1998 Declared Year Of The Ocean
...e than half of the U.S. population lives within 50 miles
of the coastand 40 percent of new commercial development in recent years has occurred nearthe coast. "As part of the Department of Commerce, NOAA is responsible forworking with states and private industry to show how development can proceedwhile cri...
Research Aims At Nation's First 'Smart' Ground Water Regulations
...ke practices unacceptable that are used just a few miles
away." The next step for the research will be to incorporate site-specific information such as pesticide types, application rates, methods of tillage and other farming practices, and weather models for each area. Engel expects to have these more comp...
$2 Million Dollar Grant Funds Salton Sea Web Site
...ly a landlocked lake, the Salton Sea is located 30 miles
south of Indio ina desert valley 278 feet below se...oss Riversideand Imperial counties and measures 40 miles
long and 17 miles
wide.It is the major Pacific Flyway stopover each year for more than 1 millionmigr...
Study Of Microbes May Hone Predictions Of Mining Impact
...e mining occurred both in above ground pits and in miles
of tunnels below ground. "There are two different types of environment, and geochemical conditions are different in both places," said Hamers. "This gave us an opportunity to study all the different conditions of acid mine drainage." Results showed...
Smog Spreading To South Pacific
...ne airplane flew through a plume of smog about 500 miles
north of Fijiin which ozone readings reached 131 parts per billion (ppb). The pollution hadtraveled over Australia, with the major contributors of ozone likely coming fromas far away as Africa. Yet, by the time it reached the south seas, Rowlandsai...
From The Home Front To The River Front, USGS Updates Water-Quality Information
...oncentrations of mercury in sediment as far as 170 miles
downstream on the Shenandoah River near Harpers Ferry, W. Va., even though the use of mercury at the Waynesboro site ended in 1950." The studies of the Lower Susquehanna and Potomac River Basins, two of the largest watersheds that drain into Chesapea...
Environmental Technology Breakthroughs Forecast -- Year 2008
...ater will be safer, lighterweight cars will get 80 miles
to a gallon and food crops will be engineeredgenet...cars will mean a familysedan that gets at least 80 miles
per gallon of gas, generates less pollutionand uses less gas. Lighter cars will be built with less ...
Biggest Acoustics Meeting Ever
...ns of sound, and somesounds can travel hundreds of miles
underwater. Analyzing "the remarkable cadence" of these patterns,Christopher Clark of Cornell University ( firstname.lastname@example.org ) will show that whales can retain a rhythmeven after minutes of silence (4aAB4). Timothy Forrest of the University of North C...
1 2 3 4 5 6 7 8 9 10