Tag: "aircraft" at biology news
Massive herds of animals found to still exist in Southern Sudan
...ivities and habitat. Observers on each side of the aircraft
counted animals that they observed between two sets of rods placed on the wings of the plane. Using statistical techniques of extrapolation, they calculated estimates of how many animals there were on a landscape. To their surprise, the results in ...
Small, self-controlled planes combine plant pathology and engineering
...lege of Natural Resources. Scientists have used aircraft
to monitor the movement of airborne pathogens for ...mous UAVs have distinct advantages over a sampling aircraft
operated via remote control,” Schmale explained. “First, the autonomous UAVs maintain a very precise...
Scientists close in on missing carbon sink
...es analyzed air samples that had been collected by aircraft
across the globe for decades but never before synt...They turned to flasks of air collected by research aircraft
over various points of the globe for the past 27 years. The air samples had been analyzed by several...
Arctic ice retreating more quickly than computer models project
...ic.) But newly available data sets, blending early aircraft
and ship reports with more recent satellite measurements that are considered more reliable than the earlier records, show that the September ice actually declined at a rate of about 7.8 percent per decade during the 1953-2006 period. "This suggest...
Dinosaur hearing, listening to muscle noise, quieter cubicles
...y backcountry sites is increasingly compromised by aircraft
noise. In order to fulfill their mandate to protec...tial restoration of natural quiet to the park from aircraft
noise. Dickson Hingson of the Sierra Club's National Parks and Monument Committee ( dhingson@infowe...
Is there a pilot in the insect?
...eed, in other words without using any of the usual aircraft
onboard flight aids like radar, GPS, radio-altimeters and variometers. An insect brain wouldn't cope with these cumbersome, heavy, energy-consuming devices. This important work shows that this new science called biorobotics, that the team from Ma...
Dragonfly migration resembles that of birds, scientists say
...ki, tracked the insects for up to 10 days fromboth aircraft
and handheld devices on the ground.They found that the dragonflies' flight patterns showed manysimilarities to those of birds that migrate over the same regions ofcoastal New Jersey. "The dragonflies' routes have showed distinct stopover and migrati...
Engineers discover why toucan beaks are models of lightweight strength
...-composite could inspire the design of ultra-light aircraft
and vehicle components with synthetic foams made with metals and polymers. "The big surprise was our finding that the beak's sandwich structure also behaves as a high energy impact-absorption system," said Meyers. "Panels that mimic toucan beaks ma...
Sahara's edge studied from ground, air and space to improve water management
...s been exhausted in many places. A Dornier Do-228 aircraft
flown by the German Aerospace Center (DLR) was the platform for two airborne sensors operating simultaneously: the Experimental Synthetic Aperture Radar (E-SAR) built by DLR, which can acquire imagery at differing radar wavelengths and polarisations,...
Wright bros. upstaged! Dinos invented biplanes
...ing to contemplate that perhaps avian flight, like aircraft
evolution, went through a biplane stage before the monoplane was introduced, said Chatterjee. "It seems likely that Microraptor invented the biplane 125 million years before the Wright 1903 Flyer." The discovery of Microraptor and other small, exqui...
K-State professors discover enzyme responsible for creation of a beetle's hard shell
...e similar strong, lightweight materials for use in aircraft
and armor. After a beetle first molts, its exoske...uld be developed to make lightweight materials for aircraft
and military armor, Kramer said. "I sometimes speculate that we might help K-State coach Bill Snyde...
Aircraft Cabin Ventilation Influences The Transmission Of Diseases In-flight
Increasing ventilation within aircraft
cabins can reduce the spread of infectious disease...e environmental control systems used in commercial aircraft
seem to restrict the spread of airborne pathogens. Proper ventilation within any confined space redu...
Finding hidden invaders in a Hawaiian rain forest
... where Myrica invasion is in its early stages. The aircraft
imagery also showed us how the forest canopy chemi...ted from above the forest canopy using traditional aircraft
or satellite approaches, but the new methods are sensitive to its high water content. In addition, t...