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Toe in Biological News

Bizarre walking bat has ancient heritage

...f 1,100 bat species worldwide that has a true four-legged walking gait when manoeuvring on the ground. It uses its wings as forelegs. Its thumb and toe claws have a unique extra talon for extra grip, plus a system of adhesive, gecko-like grooves in the soft, deeply wrinkled soles of its feet, The t...

Arsenic and old toenails

... have not been exposed at all it is less than 0.00003%. If a nail looks different from normal that is usually due to physical damage (you stubbed your toe or dropped something on it) or a minor fungal infection that can be easily cleared up by a visit to the doctor." ...

Italy's geologic history becomes a personal tale in Walter Alvarez's new book

... Italy, he currently is working with graduate student David Shimabukuro to determine the relationship between the island of Sardinia and Calabria, the toe of the Italian boot, which has moved southeastward over the millennia to open up the Tyrrhenian Sea. Just as his book displays a deep interest in t...

'A dinosaur dance floor'

...o a single rock bed. Four different kinds of footprint shapes are seen repeatedly in 14 percent of the impressions, and they include obvious claw, toe and heel marks. The other impressions "are clearly similar." One-third of the prints are surrounded by small ridges or mounds. Such features would...

Carnegie Mellon urges industry to broaden carbon footprint calculations

...ions across all tiers of the entire supply chain for all industries. "By far, most companies are pursuing very limited footprints toe prints really instead of comprehensive ones," said Matthews, an associate professor of civil and environmental engineering and engineering and public...

August 2008 Geology and GSA Today media highlights

...year-old glacial landscape and associated glacial sediments in western Colorado. Owing to the close proximity of the glacier to ancient sea level, the toe of the ice is estimated to have reached within less than 500 meters of elevation -- much lower than tropical glaciers of Earth's recent glacial states...

When threatened, a few African frogs can morph toes into claws

... free-floating bones at their tips. Eventually he determined that these small nodules at the tips of the frogs' feet were connected to the rest of the toe by a collagen-rich sheath. "These nodules are also closely connected to the surrounding skin by dense networks of collagen," Blackburn says. "It ap...

Mysterious mountain dino may be a new species

...at the University of Alberta. "It's very distinct from other dinosaurs that were found at the same time in southern Alberta." The seven shin, arm, toe and possible skull bones were found nestled in a dip between mountains in the Skeena range, and while the fragments resemble those from a small two-le...

New family of gecko discovered by researchers from the U of Minnesota and Villanova University

... Researchers are also interested in the gecko because of the animals sticky toe pads, which allow them to scale rough and smooth surfaces -- a characterist...y tree that, in turn, will allow scientists to better understand how sticky toe pads have evolved. The researchers have named the new family Phyllodacty...

Wisconsin researchers describe how digits grow

...tion of the developing digit they have named the phalanx-forming region (PFR). They illustrated that phalanges, structures that later become finger or toe bones, arise not from cartilage cells but from mesenchymal cells. And they discovered that a complex array of signals from a variety of genes at diffe...

Sticky questions tackled in gecko research

...of the only studies to look at how a geckos unique toe pads enable it to move through its natural habitat...of hair-like structures, known as setae, on geckos toe pads. In 2000, researchers demonstrated that the l...n rugged surfaces, since only a small area of each toe pad may be able to find purchase in order to maint...

Scientists launch deep-sea scientific drilling program to study volatile earthquake zone

.... During Stage 1, drill targets are 1) the incoming sediment of Shikoku Basin and the underlying oceanic crust, 2) the frontal thrust system at the toe of the accretionary wedge (where sediment is added to tectonic plates through frictional contact), 3) the mid-wedge multiple-fault system (mega-splays...

'Terror bird' arrived in North America before land bridge, study finds

...error bird was carnivorous, weighed about 330 pounds, had powerful feet and a head larger than a man's. It is known in the fossil record from a single toe bone in Texas, and in Florida by about 40 bone fragments from different skeletal regions. MacFadden's team also analyzed six specimens from the Santa ...

What Makes The Brain Tick, Tick, Tick: Researchers Gaining New Insights Into Brain's Internal Clock

...ivity throughout the entire brain, said Meck. "Looking at only one place in the brain for the interval clock is like the blind man feeling just the toe of the elephant and trying to describe how it works," he said. "While we're very excited about our success so far, we want to be modest about our capa...

Wisconsin scientists grow critical nerve cells

...ervous systems. Motor neurons transmit messages from the brain and spinal cord, dictating almost every movement in the body from the wiggling of a toe to the rolling of an eyeball. The new development could one day help victims of spinal-cord injuries, or pave the way for novel treatments of degenera...
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