Tag: "spider" at biology news
Spiders or scapegoats
... and wasp stings account for many more deaths than spider
bites. Spiders can also be compared with cars. The...r from motor vehicle accidents each year than from spider
bites, and people take a great risk every time they travel in a car. In 2001, there were 1183 motor ...
Spiders make best ever Post-it notes
... have discovered that a molecular force sticks the spider
to almost anything. The force is so strong that th...rs are called setules, and they are what makes the spider
stick. The paper reveals that the force these spiders use to stick to surfaces is the van der Waals...
New polyelectrolyte inks create fine-scale structures through direct writing
...gh fine deposition nozzles of varying diameter." A spider
creates its web by secreting a concentrated protein solution through its spinneret to produce fine silk filaments. "We drew inspiration from this natural process to guide our ink design," said graduate student Gregory Gratson, who helped develop the...
Pew report finds GM insects may offer benefits, but clear regulatory oversight is lacking
...s, like those used to create a particularly strong spider
silk that could be used to make bulletproof vests, parachutes, and artificial ligaments. Kissing bugs unable to transmit Chagas' disease, which currently infects 16 - 18 million people annually and kills nearly 50,000 people worldwide each ye...
New study finds evolutionary diversification in Hawaiian spiders
...lion years ago, the first spiny-legged Tetragnatha spider
landed on what is now known as the Hawaiian Island...iate from a single species on the same island. So, spider
types on any one island were often more closely related to very different looking spiders of another...
Familiarity decides if wolf spider loves 'em or eats 'em
...owever, the researcher has discovered, a male wolf spider
unlucky enough to attempt to mate with an unfamili...might be of different colors. "Males of most other spider
species look alike. I studied this species because there is variability among the males," says Hebet...
Tufts University bioengineers discover secret of spider, silkworm fiber strength
...stem, leading to catastrophic consequences for the spider
or silkworm. This process, when combined with the novel polymer design features in silk proteins, retains sufficient water to keep the protein soluble, while allowing the protein to self-organize and reach spinnable concentrations. Achieving sufficie...
Discoveries made about cellular reaction processes from ancient life
...ons of years, the genealogy of life is more like a spider
web, White says. "You never know where you will en...es it exciting. We are working on one spoke of the spider
web and want to go back to the center. "In the meantime, we have expanded our knowledge of gene func...
MIT lab works to mimic spider silk
CAMBRIDGE, Mass.--As a fiber, spider
silk is so desirable that scientists have spent de...ergy absorption and strength-bearing properties of spider
silk," said Paula T. Hammond, an associate professor in MIT's Department of Chemical Engineering. "[...
Study says: 'whey' to greater muscle strength is through training and protein supplements
...; Miss Muffett enjoyed it on her tuffet before the spider
showed up; now professional, collegiate, amateur, and recreational athletes combine it with creatine to supplement resistance training, with the expectation of improving gains in strength and muscle mass. The "it," of course, is whey. Whey is a natu...
What are 3-D spider webs for?
The classic radial or "orb" spider
web captures flying insects efficiently with a sma...tion is accompanied by a dramatic increase in both spider
species diversity and abundance. Thus, spider
web evolution seems driven not only by capture efficie...
2,000+ brown recluse spiders in a Kansas home inflict no bites in the occupants, UCR study notes
...ately and did a physician tell you a brown recluse spider
was the culprit? A UC Riverside study, focusing ...ions are misdiagnosed by doctors as "brown recluse spider
bites." The study finds that even where brown recluses can be very common, bites from these spiders...
Worlds largest rain forest national park created in Northern Amazon
... anteater, giant armadillo, harpy eagle, the black spider
monkey, the brown-bearded saki monkey and the white-faced saki monkey. An estimated 42 percent of all lizards, 31 percent of all birds and 12 percent of all primates known to exist in the entire Brazilian Amazon are found in the new park. "Brazil sh...
Studies of spider's silk reveal unusual strength
...my researchers are making progress in the study of spider
dragline silk, according to recently published pro...gnificant increase in the scientific literature on spider
dragline silk," according to the proceedings. "This interest is due to the impressive mechanical pro...
Death by color: Spiny spiders' bright stripes attract prey
...ists to the gambling tables, the orb-weaving spiny spider
flashes its colorful back to lure unsuspecting qua...ipes. Repeatedly he found that the blackened spiny spider
always attracted and caught less prey. "Perhaps the colors and patterns of their dorsal surface mimi...
University of California, Riverside to host spider experts
...ks will address the medical aspects of spiders and spider
bites. Talks have also been lined up that will be... two of California spiders; Vetter has collected a spider
of a new genus. "It is not uncommon to find a new species, but to find a new genus is much more exc...
New methods for detecting brown recluse spider venom
The diagnosis of a brown recluse spider
(Loxosceles reclusa) bite is often misapplied and ... was initially diagnosed as having a brown recluse spider
bite, even though these spiders are not native to New York. (The Diagnosis of Brown Recluse Spider B...
Nexia and US Army spin the worlds first man-made spider silk performance fibers
team produces water-stable dragline spider
silk fibers using biotechnology;reported in todays...al of Science that they have made the worlds first spider
silk fibers from man-made materials with properties similar to natural spider
silk. Spider silk has...
World's smallest lizard discovered in Caribbean
...ver reached the remote locations. If a species of spider
is missing from an island, for example, the lizards there might evolve into a very small species to "fill" the missing spider's ecological niche. "Habitat destruction is the major threat to biodiversity throughout the world," says Hedges, who has s...
World's smallest lizard discovered in the Caribbean
...ever reached the remote locations. If aspecies of spider
is missing from an island, for example, thelizards there might evolve into a very small species to "fill"the missing spider's ecological niche. "It is hard to say whether this lizard is as small as alizard can get, but you would think it probabl...