Tag: "flying" at biology news

Biologists take new look at metabolism

...mit of metabolism for vertebrates. He also studies flying insects. Collaboration with scientists at the University of British Columbia Charles-A. Darveau, Russel D. Andrews, and Peter W. Hochachka who co-authored the paper, led to the insights embodied in their article in Nature....

Tropical forests under surveillance

...riety of organisms interact. Elusive ocelots, bats flying through underbrush and male beetles who secretly m...y monitors the density and distribution of insects flying at altitude and has been used by Joseph Riley, who headed the Natural Resources Institute's Radar Un...

U of C researcher tracks path of flying snake

..., they glide or parachute in the same fashion as a flying squirrel, frog, lizard or fish. University of Chic...bites, Socha has emerged as rare as his subject: a flying snake expert. Scientists have documented the existence of these animals for only a century, but lege...

World's largest scientific society to honor DuPont scientists for 2 breakthrough discoveries

...o make glass interlayers that minimize falling and flying glass during building explosions, storms, and tran...ast Africa, most people were killed and injured by flying glass shards and other debris. In the Oklahoma City bombing, the leading cause of injury was flying...

Guns, bats, and cash

...ood choice, the Chamorro people of Guam regard the flying fox - a type of bat that can grow up to a four foo...irst proposed a connection between the disease and flying foxes in a recent paper in the journal Neurology, where they hypothesized that the consumption of fl...

Wilmington researcher receives award for combating terrorism with chemistry

...make a glass interlayer that minimizes falling and flying glass during bomb explosions, automobile accidents...ast Africa, most people were killed and injured by flying glass shards and other debris. In the Oklahoma City bombing, the leading cause of injury was flying ...

After massive experiment, results favor wildlife corridors

... be appreciated from the air. As seen from a plane flying at several thousand feet, each one of the eight si...ected patches. This indicated that more birds were flying between the connected patches than the unconnected ones. "There was almost double the (center patch'...

Colorado U. to fly hardware, experiments on space shuttle, space station

...from the University of Colorado at Boulder will be flying several biomedical and agricultural experiments on...user and UPM-Kymmene of Finland. The consortium is flying a model plant species, Arabidopsis thaliana, a member of the mustard family. The researchers plan t...

Field Museum plays key role in massive project to map Tree of Life

...y tremendously, from marine crocodiles to bipedal, flying birds. "They're arguably the most dominant group of terrestrial vertebrates from the Triassic to the present and have a well-sampled fossil record," says Field Museum assistant curator of dinosaurs Peter Makovicky, PhD, and a principal investigator o...

AAAS Science Project/Unisys prize encourages student-led scientific inquiry on flight to soar

...be to Mars;" Virginia teens will build their own flying craft while they examine how flight has shrunk the world's borders; Orlando, Florida, schoolchildren will literally soar over Disney World in a small aircraft as part of their studies into flight mechanics and the future of flight; and Students f...

What are 3-D spider webs for?

The classic radial or "orb" spider web captures flying insects efficiently with a small amount of silk but such flat webs leave spiders exposed to their own predators. The derived "araneoid sheet web weavers" transformed the flat orb web into, usually, three-dimensional cobwebs and sheet webs. These web...

New study suggests missing link that explains how dinosaurs learned to fly

...pposing explanations for how reptiles evolved into flying birds. According to Kenneth Dial, author of the r...ields of science and engineering. The evolution of flying vertebrates has been a bone of contention since the 1800's. One school, which embraced the cursoria...

Multiple factors affect flight power curves among species

...il that likely increases drag and prevents it from flying faster than 14 meters per second (31.36 mph) despite it having sufficient pectoralis power to fly at faster speeds. Instead, its wings are better suited for flight at lower speeds and likely allow it to maneuver more effectively. In contrast, the re...

Science picks -- leads, feeds and story seeds (February 2003)

... bats in urban areas do great service by consuming flying insects, there is also a public health concern about their possible role in the spread of rabies. Research involves a 5-year case study of the dynamics of rabies transmission in an urban population of big brown bats in Colorado, with an ultimate goal...

Squirrels' evolutionary 'family tree' reveals major influence of climate, geology

...ir interrelationships, leaving out only one Indian flying squirrel that is too rare to study.They determined... the authors' evidence suggests that both tree and flying squirrel lineages crossed between the two continents there at a time when the land bridge was open a...

Rainforests at risk: Where theres smoke, theres even more fire

...bal Change and Earth Observations. These fires are flying under the radar and people dont realize whats happening. If frequent burning of these forests continues, well end up with a very different ecosystem. Cochrane studied satellite images and explored tropical rainforests and surrounding areas of hum...

Crows alter their thieving behavior when dealing with kin or other birds

.... "With aggressive scrounging, there is usually a flying approach by the thief who nearly lands on the other bird. This can be followed by vocalization, physical contact and attempts to take the food. Usually it also involves chasing and avoidance by the bird with the food." She added that there does no...

'Sleep debts' accrue when nightly sleep totals six hours or fewer

...ty to react that would put them at risk driving or flying an airplane. They were also less able to multi-task successfully. "The physiologic expression of sleep in humans appears to have multiple functions, ranging from the metabolic to the neurocognitive," Van Dongen said....

Ecosystem engineers

...stage of growth before emerging as a mature winged flying adult. Other caterpillars, including later emerging larvae of the same species, will utilize these preexisting homes and keep up maintenance of the structures. By removing these early leaf shelters on some trees and adding them to others, with and w...

Butterflies use polarized light to attract mates

...of Heliconius butterflies. People in small planes flying low over tropical forest often comment about the tiny flashes of blue from iridescent butterfly wings that stand out against dark green jungle foliage. But the ecological significance of light scattering and shaping by butterflies has, for the most ...

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