Tag: "insects" at biology news
From Corn Rootworms To Art, Cornell's Reactor Is At The Core
...lso see the corn roots and see the behavior of the insects
as they are growing. And it's all totally non-invasive." Here is how it works: The TRIGA Mark II nuclear reactor at Ward Laboratory produces a beam of neutrons that is focused to a plate holding a sample. Behind the sample is film. The neutrons p...
Transgenic Rice Plants Resist Insects, Drought And Salt Damage
...ce plants that resist some of the most destructive insects
as well as salt and drought damage. Technology for...s whenever the plant is wounded by insects. Thus, insects
such as the pink stem borer eat less, grow less quickly, and plant damage is reduced to tolerable le...
Enticed By A Chemical Tease, Female Beetles Are Rewarded With A Nuptial Gift To Protect The Next Generation
...logy (CIRCE) are showing just how resourceful male insects
can be when they seek a mate. In one species, the...hrodisiac of human folklore. Spanish fly and the insects
that use it are the subjects of two related reports, prepared for CIRCE's series on "Defense Mechani...
Bark Beetle Infestation Spurs Multifaceted Study
...ark beetle infestationin the Lake Tahoe Basin. The insects
have killed or damaged large standsof wood, which pose a major fire hazard for the area. The solution is toallow salvage harvesting and controlled burning, so that the forests canreturn to a healthy state. "Many environmentalists are concerned beca...
Asian Beetle, New In This Country, Threatens Brooklyn's Shade Trees
... water and the roots tend to be restricted. These insects
might weaken the trees structually." Bassuk took a survey of Brooklyn trees in 1990. She found that 27 percent of the 110,000 street trees in Brooklyn are Norway maples -- the trees this new beetle attacks most often. "I think this could be devastat...
Study Shows Songbirds Switch From Bugs To Berries To Fuel Fall Migration
...south each autumn may switch from typical meals of insects
to aberry-rich diet to store sufficient fat to fue...e Condor, Parrish found that a dietary switch from insects
to fruit occurred to somedegree in the majority of the 69 species sampled. Several species followedd...
Human-Like Ability, Categorical Perception, Found In Insects
...k sounds mimicking cricket calls made the tethered insects
"fly" toward the speaker. And sounds in the bat's...ical perception in many different systems, between insects
Learning From Birds And Bees: Engineers Study Insects For Ideas On Tiny "Micro Air Vehicles"
...tly exist, meaning designersmust look to birds and insects
for information about flight principleson a scale ... an aircraft thissmall. We may have to learn from insects
and birds." Beyond basic aerodynamic techniques, severe weight restrictionsdemand new types of flig...
A Phoenix From A Ring Of Fire Is A Pattern For The Recovery Of Mount St. Helens
...m the Mount St. Helens upheaval was lethal to the insects
in its path. It settled on the hard, waxy shell, a...aper, stripping away the waterproofing layer. The insects
lost moisture, and quickly died. "It was just like sandpapering an insect to death," says Edwards. ...
New Study Shows Steps Leading To Colon Cancer
CHAPEL HILL, N.C. -- New research done on insects
in North Carolina and on human cells elsewhere has...ise role of a key regulatory protein found in both insects
and ourselves," said Dr. Mark Peifer, assistant professor of biology at the University of North Caro...
Natural Shelters on Leaves House Plant Bodyguards
...rofessor RichardKarban . "We think that predatory insects
and mites use domatiaboth for protection from thei...nefitsto both the plants and to certain protective insects
and mites. His notionlay dormant until about a decade ago when a few research groups around theworld...
Enhancin Protein Attacks Insect Immune System
...inst vertebrates. Invertebrate species -- such an insects
-- do not have highly acidic intestinal contents. The BTI researchers are seeking to genetically engineer the enhancin gene into plants, where it has considerable potential, Granados said....
Summer Science: Firefly Babies Advertise Their Bitter Taste, UD Researchers Say
JULY 2, 1997--As children chase twinkling insects
and the setting sun throwslong shadows across the backyard, consider this: Light cues keep predators fromsnacking on baby fireflies, University of Delaware scientists report in the newJournal of Insect Behavior. "A flashing neon sign may lure hungry ...
Evolution Re-Sculpted Animal Limbs By Genetic Switches Once Thought Too Drastic For Survival
... body plan?" says Patel. Many scientists looked to insects
for natural homeotic gene variation, Patelexplained, because insects
have such diverse body plans. "But it turns out thatmuch of their diversity arises after this step i...
Where Fossils Fear To Tread: Scientists Follow Genes To An Ancient Ancestor
...ions of the animal kingdom, including vertebrates, insects
and fish. The discovery, made in Carroll's lab, was reported last May in the Proceedings of the National Academy of Sciences. "We found the same mechanism in all of these divisions of the animal kingdom. The architecture can vary tremendousl...
Study Sheds Light On Behavior Of Middle-Age 'Undertaker' Bees
...rward for middle-aged specialization: That social insects
willget better and better at what they do." Previous research had shown that learning is important for the olderforagers, who get more efficient as they learn what flowers are producingnectar at what time. Not only did undertakers not improve in ef...
Pharmaceuticals Manufactured In Insect Larvae
...entially, this is a protein factory. We are using insects
to raise raw pharmaceutical proteins. In effect, we are turning insects
into little protein factories." Originally, the researchers were exploring ways to safely combat agr...
UC Geologist "Flip-Flops" On Understanding Of Crinoid Life Style
.... "In thinking about this, I got to thinking about insects
likewater striders," said Meyer. "There are aquatic insects
that liveon the surface of the water and use surface tension. They walk onwater." As Meyer explored ...
Insects Provide Clues About Bodies Underwater
... and submerged 'bodies' tostudy the life cycles of insects
that colonize on them - everything fromaquatic bug...ed, if it's in question, is possible. Some aquatic insects
are unpredictable, while others appear to be seasonal."Unlike terrestrial insects, they may have oth...
SFU Researcher Fools Forest Pest Into 'Barking Up The Wrong Tree'
...ructive forest insect pests. His goal? To fool the insects
into bypassing vulnerable trees. For the past two years, Huber has been studying how two species of bark beetle - the Douglas fir beetle and the mountain pine beetle - find the trees they need to survive in a mixed forest environment. The answer is i...
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